./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/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 34004772e6a1e54917776a817538fd6c8fd28f94 .................................................................................................................................................................................................................................................................................................................................................. 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_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/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 34004772e6a1e54917776a817538fd6c8fd28f94 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 09:07:42,346 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:07:42,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:07:42,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:07:42,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:07:42,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:07:42,354 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:07:42,354 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:07:42,355 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:07:42,356 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:07:42,356 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:07:42,356 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:07:42,357 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:07:42,357 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:07:42,358 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:07:42,358 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:07:42,358 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:07:42,359 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:07:42,360 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:07:42,361 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:07:42,361 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:07:42,362 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:07:42,363 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:07:42,363 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:07:42,363 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:07:42,363 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:07:42,364 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:07:42,364 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:07:42,365 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:07:42,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:07:42,365 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:07:42,366 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:07:42,366 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:07:42,366 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:07:42,366 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:07:42,367 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:07:42,367 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 09:07:42,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:07:42,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:07:42,374 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:07:42,374 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 09:07:42,375 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 09:07:42,375 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 09:07:42,375 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 09:07:42,375 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:07:42,375 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:07:42,375 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 09:07:42,375 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:07:42,375 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:07:42,375 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:07:42,375 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:07:42,376 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:07:42,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:07:42,376 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:07:42,376 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 09:07:42,376 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:07:42,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:07:42,376 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 09:07:42,376 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:07:42,376 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 09:07:42,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 09:07:42,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:07:42,377 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:07:42,377 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:07:42,377 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 09:07:42,377 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:07:42,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 09:07:42,377 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_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2018-12-02 09:07:42,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:07:42,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:07:42,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:07:42,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:07:42,404 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:07:42,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-02 09:07:42,438 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data/a5544798d/455733f80042451c97351458c03f8b90/FLAGd11877d54 [2018-12-02 09:07:42,889 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:07:42,890 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-02 09:07:42,894 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data/a5544798d/455733f80042451c97351458c03f8b90/FLAGd11877d54 [2018-12-02 09:07:42,902 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data/a5544798d/455733f80042451c97351458c03f8b90 [2018-12-02 09:07:42,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:07:42,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:07:42,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:07:42,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:07:42,907 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:07:42,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:42" (1/1) ... [2018-12-02 09:07:42,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7080f9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:42, skipping insertion in model container [2018-12-02 09:07:42,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:42" (1/1) ... [2018-12-02 09:07:42,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:07:42,925 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:07:43,031 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:07:43,034 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:07:43,087 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:07:43,100 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:07:43,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43 WrapperNode [2018-12-02 09:07:43,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:07:43,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:07:43,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:07:43,101 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:07:43,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... [2018-12-02 09:07:43,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... [2018-12-02 09:07:43,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:07:43,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:07:43,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:07:43,117 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:07:43,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... [2018-12-02 09:07:43,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... [2018-12-02 09:07:43,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... [2018-12-02 09:07:43,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... [2018-12-02 09:07:43,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... [2018-12-02 09:07:43,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... [2018-12-02 09:07:43,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... [2018-12-02 09:07:43,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:07:43,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:07:43,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:07:43,140 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:07:43,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/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 [2018-12-02 09:07:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-02 09:07:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-02 09:07:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-02 09:07:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-02 09:07:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 09:07:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 09:07:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 09:07:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 09:07:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 09:07:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 09:07:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 09:07:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:07:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:07:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:07:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 09:07:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-02 09:07:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 09:07:43,386 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:07:43,386 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 09:07:43,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:43 BoogieIcfgContainer [2018-12-02 09:07:43,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:07:43,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 09:07:43,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 09:07:43,389 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 09:07:43,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:07:42" (1/3) ... [2018-12-02 09:07:43,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e4a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:07:43, skipping insertion in model container [2018-12-02 09:07:43,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:43" (2/3) ... [2018-12-02 09:07:43,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e4a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:07:43, skipping insertion in model container [2018-12-02 09:07:43,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:43" (3/3) ... [2018-12-02 09:07:43,392 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834_true-unreach-call.c [2018-12-02 09:07:43,397 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 09:07:43,401 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 09:07:43,410 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 09:07:43,426 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 09:07:43,426 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 09:07:43,426 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 09:07:43,426 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 09:07:43,427 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 09:07:43,427 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 09:07:43,427 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 09:07:43,427 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 09:07:43,427 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 09:07:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-12-02 09:07:43,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 09:07:43,443 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:07:43,443 INFO L402 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, 1, 1, 1] [2018-12-02 09:07:43,445 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:07:43,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:07:43,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1667828765, now seen corresponding path program 1 times [2018-12-02 09:07:43,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:07:43,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:07:43,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:07:43,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:07:43,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:07:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:07:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:07:43,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:07:43,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 09:07:43,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 09:07:43,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 09:07:43,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 09:07:43,567 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-12-02 09:07:43,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:07:43,581 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2018-12-02 09:07:43,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 09:07:43,582 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-12-02 09:07:43,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:07:43,588 INFO L225 Difference]: With dead ends: 104 [2018-12-02 09:07:43,588 INFO L226 Difference]: Without dead ends: 52 [2018-12-02 09:07:43,590 INFO L631 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 [2018-12-02 09:07:43,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-02 09:07:43,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-12-02 09:07:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-02 09:07:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2018-12-02 09:07:43,612 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 25 [2018-12-02 09:07:43,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:07:43,612 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2018-12-02 09:07:43,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 09:07:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-02 09:07:43,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 09:07:43,613 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:07:43,613 INFO L402 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, 1, 1, 1, 1, 1] [2018-12-02 09:07:43,613 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:07:43,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:07:43,614 INFO L82 PathProgramCache]: Analyzing trace with hash -201130984, now seen corresponding path program 1 times [2018-12-02 09:07:43,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:07:43,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:07:43,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:07:43,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:07:43,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:07:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:07:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:07:43,699 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 09:07:43,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:07:43 BoogieIcfgContainer [2018-12-02 09:07:43,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 09:07:43,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:07:43,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:07:43,727 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:07:43,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:43" (3/4) ... [2018-12-02 09:07:43,730 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 09:07:43,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:07:43,730 INFO L168 Benchmark]: Toolchain (without parser) took 826.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -85.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2018-12-02 09:07:43,731 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:07:43,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-02 09:07:43,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.20 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. [2018-12-02 09:07:43,732 INFO L168 Benchmark]: Boogie Preprocessor took 22.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:07:43,732 INFO L168 Benchmark]: RCFGBuilder took 246.80 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-02 09:07:43,732 INFO L168 Benchmark]: TraceAbstraction took 339.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-12-02 09:07:43,733 INFO L168 Benchmark]: Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 09:07:43,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 196.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.20 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. * Boogie Preprocessor took 22.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 246.80 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 339.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 141, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [\old(halF_exp)=21, \old(halF_exp)=49, \old(huge_exp)=40, \old(invln2_exp)=18, \old(ln2HI_exp)=17, \old(ln2HI_exp)=45, \old(ln2LO_exp)=48, \old(ln2LO_exp)=30, \old(o_threshold_exp)=25, \old(one_exp)=38, \old(P1_exp)=20, \old(P2_exp)=23, \old(P3_exp)=32, \old(P4_exp)=36, \old(P5_exp)=34, \old(twom1000_exp)=24, \old(u_threshold_exp)=46, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] double x = 1.0 / 0.0; VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L154] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L50] ieee_double_shape_type gh_u; [L51] gh_u.value = (x) [L52] EXPR gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L70] COND TRUE x > o_threshold_exp [L71] return huge_exp * huge_exp; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26, xsb=-1] [L154] RET, EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=47, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L154] double res = __ieee754_exp(x); [L157] CALL, EXPR isinf_double(x) VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L133] __int32_t hx, lx; VAL [\old(x)=26, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L135] ieee_double_shape_type ew_u; [L136] ew_u.value = (x) [L137] EXPR ew_u.parts.msw [L137] (hx) = ew_u.parts.msw [L138] EXPR ew_u.parts.lsw [L138] (lx) = ew_u.parts.lsw [L140] hx &= 0x7fffffff [L141] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L142] hx = 0x7ff00000 - hx [L143] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=26, \result=0, halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, lx=5, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L157] RET, EXPR isinf_double(x) VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, isinf_double(x)=0, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=47, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] [L157] COND TRUE !isinf_double(x) [L158] __VERIFIER_error() VAL [halF_exp={19:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={44:0}, ln2LO_exp={31:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=47, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 67 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 0.1.23-635dfa2 [2018-12-02 09:07:45,139 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:07:45,140 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:07:45,146 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:07:45,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:07:45,147 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:07:45,147 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:07:45,148 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:07:45,149 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:07:45,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:07:45,150 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:07:45,150 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:07:45,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:07:45,151 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:07:45,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:07:45,152 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:07:45,152 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:07:45,153 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:07:45,154 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:07:45,155 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:07:45,155 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:07:45,156 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:07:45,157 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:07:45,157 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:07:45,157 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:07:45,158 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:07:45,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:07:45,159 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:07:45,159 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:07:45,160 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:07:45,160 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:07:45,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:07:45,160 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:07:45,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:07:45,161 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:07:45,161 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:07:45,162 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 09:07:45,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:07:45,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:07:45,169 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:07:45,170 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 09:07:45,170 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 09:07:45,170 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 09:07:45,170 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 09:07:45,170 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:07:45,170 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:07:45,171 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:07:45,171 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:07:45,171 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:07:45,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:07:45,171 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:07:45,171 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 09:07:45,171 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 09:07:45,171 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:07:45,172 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:07:45,172 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 09:07:45,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:07:45,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:07:45,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 09:07:45,172 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:07:45,172 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 09:07:45,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 09:07:45,173 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:07:45,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:07:45,173 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:07:45,173 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 09:07:45,173 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:07:45,173 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 09:07:45,173 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 09:07:45,174 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_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2018-12-02 09:07:45,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:07:45,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:07:45,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:07:45,206 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:07:45,206 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:07:45,207 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-02 09:07:45,253 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data/31f41e74b/49c1855f054f485d8c0307119264fc72/FLAGa0c83ddf4 [2018-12-02 09:07:45,713 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:07:45,713 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-12-02 09:07:45,717 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data/31f41e74b/49c1855f054f485d8c0307119264fc72/FLAGa0c83ddf4 [2018-12-02 09:07:45,727 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/data/31f41e74b/49c1855f054f485d8c0307119264fc72 [2018-12-02 09:07:45,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:07:45,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:07:45,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:07:45,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:07:45,734 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:07:45,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:45,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc56826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45, skipping insertion in model container [2018-12-02 09:07:45,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:45,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:07:45,758 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:07:45,882 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:07:45,887 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:07:45,920 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:07:45,937 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:07:45,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45 WrapperNode [2018-12-02 09:07:45,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:07:45,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:07:45,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:07:45,938 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:07:45,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:45,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:45,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:07:45,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:07:45,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:07:45,986 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:07:45,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:45,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:45,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:45,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:46,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:46,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:46,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... [2018-12-02 09:07:46,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:07:46,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:07:46,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:07:46,017 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:07:46,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/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 [2018-12-02 09:07:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 09:07:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-12-02 09:07:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-12-02 09:07:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-12-02 09:07:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-12-02 09:07:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 09:07:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 09:07:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 09:07:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 09:07:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 09:07:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-02 09:07:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:07:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 09:07:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:07:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:07:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 09:07:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 09:07:46,155 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:07:46,466 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:07:56,600 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:07:56,621 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:07:56,640 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:07:56,653 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:07:56,675 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:07:56,713 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 09:07:56,725 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:07:56,725 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-02 09:07:56,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:56 BoogieIcfgContainer [2018-12-02 09:07:56,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:07:56,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 09:07:56,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 09:07:56,728 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 09:07:56,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:07:45" (1/3) ... [2018-12-02 09:07:56,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6b5688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:07:56, skipping insertion in model container [2018-12-02 09:07:56,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:45" (2/3) ... [2018-12-02 09:07:56,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6b5688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:07:56, skipping insertion in model container [2018-12-02 09:07:56,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:56" (3/3) ... [2018-12-02 09:07:56,730 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834_true-unreach-call.c [2018-12-02 09:07:56,736 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 09:07:56,741 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 09:07:56,751 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 09:07:56,767 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 09:07:56,768 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 09:07:56,768 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 09:07:56,768 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 09:07:56,768 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 09:07:56,768 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 09:07:56,768 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 09:07:56,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 09:07:56,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 09:07:56,778 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-12-02 09:07:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 09:07:56,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:07:56,782 INFO L402 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, 1, 1] [2018-12-02 09:07:56,784 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:07:56,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:07:56,787 INFO L82 PathProgramCache]: Analyzing trace with hash -923681049, now seen corresponding path program 1 times [2018-12-02 09:07:56,790 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 09:07:56,790 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/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 [2018-12-02 09:07:56,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:07:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:07:57,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:07:57,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:07:57,077 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:07:57,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:07:57,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 09:07:57,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 09:07:57,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 09:07:57,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 09:07:57,100 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-12-02 09:07:57,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:07:57,114 INFO L93 Difference]: Finished difference Result 102 states and 155 transitions. [2018-12-02 09:07:57,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 09:07:57,115 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-02 09:07:57,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:07:57,121 INFO L225 Difference]: With dead ends: 102 [2018-12-02 09:07:57,121 INFO L226 Difference]: Without dead ends: 51 [2018-12-02 09:07:57,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 09:07:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-02 09:07:57,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-02 09:07:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-02 09:07:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2018-12-02 09:07:57,146 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 24 [2018-12-02 09:07:57,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:07:57,146 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2018-12-02 09:07:57,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 09:07:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2018-12-02 09:07:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 09:07:57,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:07:57,147 INFO L402 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, 1, 1, 1, 1] [2018-12-02 09:07:57,147 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:07:57,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:07:57,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1028235080, now seen corresponding path program 1 times [2018-12-02 09:07:57,148 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 09:07:57,148 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/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 [2018-12-02 09:07:57,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:07:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:07:57,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:07:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:07:57,541 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:07:57,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:07:57,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 09:07:57,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 09:07:57,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 09:07:57,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 09:07:57,553 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand 7 states. [2018-12-02 09:08:11,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:08:11,825 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2018-12-02 09:08:11,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 09:08:11,826 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-02 09:08:11,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:08:11,828 INFO L225 Difference]: With dead ends: 69 [2018-12-02 09:08:11,828 INFO L226 Difference]: Without dead ends: 56 [2018-12-02 09:08:11,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-02 09:08:11,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-02 09:08:11,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2018-12-02 09:08:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-02 09:08:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2018-12-02 09:08:11,833 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 26 [2018-12-02 09:08:11,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:08:11,834 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2018-12-02 09:08:11,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 09:08:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2018-12-02 09:08:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 09:08:11,834 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:08:11,834 INFO L402 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, 1, 1, 1, 1, 1, 1] [2018-12-02 09:08:11,835 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:08:11,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:08:11,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1789825648, now seen corresponding path program 1 times [2018-12-02 09:08:11,835 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 09:08:11,835 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/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 [2018-12-02 09:08:11,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:08:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:08:12,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:08:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:08:12,169 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:08:12,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:08:12,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 09:08:12,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 09:08:12,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 09:08:12,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 09:08:12,185 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand 8 states. [2018-12-02 09:08:19,082 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-02 09:08:28,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:08:28,968 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2018-12-02 09:08:28,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 09:08:28,970 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-02 09:08:28,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:08:28,970 INFO L225 Difference]: With dead ends: 68 [2018-12-02 09:08:28,970 INFO L226 Difference]: Without dead ends: 55 [2018-12-02 09:08:28,971 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 09:08:28,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-02 09:08:28,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2018-12-02 09:08:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-02 09:08:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-12-02 09:08:28,974 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 28 [2018-12-02 09:08:28,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:08:28,975 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-12-02 09:08:28,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 09:08:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-12-02 09:08:28,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 09:08:28,975 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:08:28,975 INFO L402 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, 1, 1, 1, 1, 1, 1] [2018-12-02 09:08:28,975 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:08:28,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:08:28,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1234074122, now seen corresponding path program 1 times [2018-12-02 09:08:28,976 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 09:08:28,976 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 09:08:28,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:08:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:08:31,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:08:31,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:08:31,874 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:08:31,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:08:31,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 09:08:31,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 09:08:31,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 09:08:31,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 09:08:31,911 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 7 states. [2018-12-02 09:08:50,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:08:50,527 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2018-12-02 09:08:50,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 09:08:50,529 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-02 09:08:50,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:08:50,530 INFO L225 Difference]: With dead ends: 83 [2018-12-02 09:08:50,530 INFO L226 Difference]: Without dead ends: 53 [2018-12-02 09:08:50,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-02 09:08:50,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-02 09:08:50,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2018-12-02 09:08:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-02 09:08:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-12-02 09:08:50,535 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 28 [2018-12-02 09:08:50,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:08:50,535 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-12-02 09:08:50,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 09:08:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-12-02 09:08:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 09:08:50,536 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:08:50,536 INFO L402 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, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:08:50,536 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:08:50,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:08:50,536 INFO L82 PathProgramCache]: Analyzing trace with hash -920540292, now seen corresponding path program 1 times [2018-12-02 09:08:50,536 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 09:08:50,536 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-02 09:08:50,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:08:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:08:54,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:08:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:08:54,327 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:08:54,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:08:54,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 09:08:54,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 09:08:54,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 09:08:54,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 09:08:54,375 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 7 states. [2018-12-02 09:09:13,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:09:13,728 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2018-12-02 09:09:14,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 09:09:14,117 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-12-02 09:09:14,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:09:14,118 INFO L225 Difference]: With dead ends: 80 [2018-12-02 09:09:14,118 INFO L226 Difference]: Without dead ends: 51 [2018-12-02 09:09:14,118 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-02 09:09:14,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-02 09:09:14,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-12-02 09:09:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-02 09:09:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-12-02 09:09:14,122 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 29 [2018-12-02 09:09:14,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:09:14,122 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-12-02 09:09:14,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 09:09:14,122 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-12-02 09:09:14,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 09:09:14,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:09:14,123 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:09:14,123 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:09:14,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:09:14,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1920861067, now seen corresponding path program 1 times [2018-12-02 09:09:14,124 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 09:09:14,124 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-02 09:09:14,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:09:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:09:14,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:09:14,338 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:09:14,339 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:09:14,340 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:09:14,340 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:09:14,343 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 76 [2018-12-02 09:09:14,376 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 52 [2018-12-02 09:09:14,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:09:14,400 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-12-02 09:09:14,401 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:09:14,414 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-12-02 09:09:14,419 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 11 [2018-12-02 09:09:14,420 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 09:09:14,426 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:09:14,432 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:09:14,448 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 09:09:14,448 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:64, output treesize:28 [2018-12-02 09:09:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:09:14,592 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:09:14,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:09:14,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 09:09:14,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 09:09:14,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 09:09:14,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 09:09:14,603 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 7 states. [2018-12-02 09:09:15,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:09:15,001 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2018-12-02 09:09:15,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 09:09:15,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-12-02 09:09:15,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:09:15,002 INFO L225 Difference]: With dead ends: 49 [2018-12-02 09:09:15,002 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 09:09:15,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-02 09:09:15,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 09:09:15,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 09:09:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 09:09:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 09:09:15,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-12-02 09:09:15,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:09:15,003 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 09:09:15,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 09:09:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 09:09:15,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 09:09:15,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 09:09:15,093 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: (and (= __ieee754_exp_~x |__ieee754_exp_#in~x|) (exists ((|v_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_11|) ((_ extract 62 52) |v_q#valueAsBitvector_11|) ((_ extract 51 0) |v_q#valueAsBitvector_11|)) |__ieee754_exp_#in~x|) (= __ieee754_exp_~hx~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_q#valueAsBitvector_11|)))))) [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 58 69) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L451 ceAbstractionStarter]: At program point L102-2(lines 102 106) the Hoare annotation is: true [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 114 128) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L121-2(lines 121 126) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2018-12-02 09:09:15,094 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point __ieee754_expFINAL(lines 44 129) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L451 ceAbstractionStarter]: At program point __ieee754_expENTRY(lines 44 129) the Hoare annotation is: true [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L444 ceAbstractionStarter]: At program point L49-2(lines 49 53) the Hoare annotation is: (= __ieee754_exp_~x |__ieee754_exp_#in~x|) [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 100 114) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L107-2(lines 107 112) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L451 ceAbstractionStarter]: At program point L116-2(lines 116 120) the Hoare annotation is: true [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point __ieee754_expEXIT(lines 44 129) no Hoare annotation was computed. [2018-12-02 09:09:15,095 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 132 144) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 132 144) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L451 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 132 144) the Hoare annotation is: true [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point L134-3(lines 134 139) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 09:09:15,096 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 09:09:15,096 INFO L448 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-12-02 09:09:15,097 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 146 163) the Hoare annotation is: true [2018-12-02 09:09:15,097 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-02 09:09:15,097 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 146 163) no Hoare annotation was computed. [2018-12-02 09:09:15,097 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 157 160) no Hoare annotation was computed. [2018-12-02 09:09:15,097 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53))) [2018-12-02 09:09:15,097 INFO L448 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2018-12-02 09:09:15,097 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2018-12-02 09:09:15,097 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 146 163) no Hoare annotation was computed. [2018-12-02 09:09:15,104 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:09:15 BoogieIcfgContainer [2018-12-02 09:09:15,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 09:09:15,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:09:15,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:09:15,107 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:09:15,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:56" (3/4) ... [2018-12-02 09:09:15,109 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 09:09:15,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-12-02 09:09:15,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 09:09:15,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-12-02 09:09:15,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 09:09:15,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-12-02 09:09:15,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-12-02 09:09:15,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 09:09:15,118 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 09:09:15,118 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 09:09:15,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 09:09:15,134 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 09:09:15,134 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32])) [2018-12-02 09:09:15,157 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0275a7d3-8430-400b-abc7-3ef3b0d56ea7/bin-2019/uautomizer/witness.graphml [2018-12-02 09:09:15,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:09:15,158 INFO L168 Benchmark]: Toolchain (without parser) took 89428.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 278.8 MB. Max. memory is 11.5 GB. [2018-12-02 09:09:15,159 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:09:15,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.72 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 09:09:15,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-02 09:09:15,159 INFO L168 Benchmark]: Boogie Preprocessor took 30.87 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. [2018-12-02 09:09:15,159 INFO L168 Benchmark]: RCFGBuilder took 10709.11 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-12-02 09:09:15,160 INFO L168 Benchmark]: TraceAbstraction took 78380.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 811.2 MB in the end (delta: 267.3 MB). Peak memory consumption was 267.3 MB. Max. memory is 11.5 GB. [2018-12-02 09:09:15,160 INFO L168 Benchmark]: Witness Printer took 50.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -1.6 MB). Free memory was 811.2 MB in the beginning and 1.1 GB in the end (delta: -315.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-12-02 09:09:15,161 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.72 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.87 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. * RCFGBuilder took 10709.11 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: 39.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 78380.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 811.2 MB in the end (delta: 267.3 MB). Peak memory consumption was 267.3 MB. Max. memory is 11.5 GB. * Witness Printer took 50.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -1.6 MB). Free memory was 811.2 MB in the beginning and 1.1 GB in the end (delta: -315.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 60]: Loop Invariant [2018-12-02 09:09:15,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] [2018-12-02 09:09:15,164 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_11 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_11[63:63], v_q#valueAsBitvector_11[62:52], v_q#valueAsBitvector_11[51:0]) == \old(x) && hx == ~bvand32(2147483647bv32, v_q#valueAsBitvector_11[63:32])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 1 error locations. SAFE Result, 78.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 69.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 270 SDtfs, 216 SDslu, 903 SDs, 0 SdLazy, 336 SolverSat, 8 SolverUnsat, 23 SolverUnknown, 0 SolverNotchecked, 62.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 23 PreInvPairs, 33 NumberOfFragments, 51 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 159 ConstructedInterpolants, 40 QuantifiedInterpolants, 30218 SizeOfPredicates, 17 NumberOfNonLiveVariables, 953 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...