./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c9a1fee23eedac3d97051809c6053bb68912ddb9 ................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c9a1fee23eedac3d97051809c6053bb68912ddb9 .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:44:47,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:44:47,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:44:47,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:44:47,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:44:47,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:44:47,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:44:47,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:44:47,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:44:47,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:44:47,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:44:47,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:44:47,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:44:47,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:44:47,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:44:47,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:44:47,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:44:47,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:44:47,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:44:47,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:44:47,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:44:47,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:44:47,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:44:47,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:44:47,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:44:47,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:44:47,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:44:47,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:44:47,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:44:47,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:44:47,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:44:47,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:44:47,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:44:47,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:44:47,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:44:47,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:44:47,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:44:47,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:44:47,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:44:47,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:44:47,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:44:47,122 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:44:47,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:44:47,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:44:47,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:44:47,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:44:47,141 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:44:47,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:44:47,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:44:47,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:44:47,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:44:47,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:44:47,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:44:47,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:44:47,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:44:47,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:44:47,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:44:47,144 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:44:47,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:44:47,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:44:47,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:44:47,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:44:47,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:44:47,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:44:47,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:44:47,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:44:47,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:44:47,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:44:47,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:44:47,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:44:47,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:44:47,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> c9a1fee23eedac3d97051809c6053bb68912ddb9 [2019-11-28 16:44:47,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:44:47,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:44:47,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:44:47,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:44:47,579 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:44:47,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2019-11-28 16:44:47,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faacdeb5b/097cda9cb0fe4b09a74a225ff1a62416/FLAG0e352a7e3 [2019-11-28 16:44:48,101 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:44:48,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2019-11-28 16:44:48,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faacdeb5b/097cda9cb0fe4b09a74a225ff1a62416/FLAG0e352a7e3 [2019-11-28 16:44:48,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faacdeb5b/097cda9cb0fe4b09a74a225ff1a62416 [2019-11-28 16:44:48,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:44:48,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:44:48,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:44:48,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:44:48,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:44:48,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:48,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5805658c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48, skipping insertion in model container [2019-11-28 16:44:48,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:48,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:44:48,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:44:48,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:44:48,827 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:44:48,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:44:48,981 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:44:48,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48 WrapperNode [2019-11-28 16:44:48,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:44:48,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:44:48,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:44:48,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:44:48,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:49,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:49,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:44:49,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:44:49,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:44:49,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:44:49,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:49,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:49,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:49,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:49,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:49,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:49,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... [2019-11-28 16:44:49,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:44:49,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:44:49,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:44:49,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:44:49,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:44:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:44:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-28 16:44:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:44:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-28 16:44:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:44:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:44:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:44:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:44:49,836 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:44:49,837 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-28 16:44:49,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:49 BoogieIcfgContainer [2019-11-28 16:44:49,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:44:49,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:44:49,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:44:49,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:44:49,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:44:48" (1/3) ... [2019-11-28 16:44:49,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d651e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:49, skipping insertion in model container [2019-11-28 16:44:49,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:48" (2/3) ... [2019-11-28 16:44:49,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d651e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:49, skipping insertion in model container [2019-11-28 16:44:49,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:49" (3/3) ... [2019-11-28 16:44:49,847 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2019-11-28 16:44:49,859 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:44:49,867 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:44:49,880 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:44:49,900 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:44:49,900 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:44:49,900 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:44:49,900 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:44:49,901 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:44:49,901 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:44:49,901 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:44:49,901 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:44:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-28 16:44:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:44:49,923 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:44:49,924 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:44:49,924 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:44:49,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:44:49,929 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2019-11-28 16:44:49,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:44:49,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138960609] [2019-11-28 16:44:49,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:44:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:44:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:44:50,061 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138960609] [2019-11-28 16:44:50,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:44:50,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:44:50,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726699971] [2019-11-28 16:44:50,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:44:50,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:44:50,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:44:50,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:44:50,086 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-11-28 16:44:50,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:44:50,113 INFO L93 Difference]: Finished difference Result 145 states and 236 transitions. [2019-11-28 16:44:50,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:44:50,114 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-28 16:44:50,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:44:50,126 INFO L225 Difference]: With dead ends: 145 [2019-11-28 16:44:50,126 INFO L226 Difference]: Without dead ends: 70 [2019-11-28 16:44:50,130 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:44:50,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-28 16:44:50,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-28 16:44:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-28 16:44:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2019-11-28 16:44:50,170 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 12 [2019-11-28 16:44:50,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:44:50,171 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2019-11-28 16:44:50,171 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:44:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2019-11-28 16:44:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 16:44:50,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:44:50,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:44:50,172 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:44:50,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:44:50,173 INFO L82 PathProgramCache]: Analyzing trace with hash -697724311, now seen corresponding path program 1 times [2019-11-28 16:44:50,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:44:50,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509079546] [2019-11-28 16:44:50,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:44:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:44:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:44:50,276 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:44:50,276 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:44:50,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:44:50 BoogieIcfgContainer [2019-11-28 16:44:50,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:44:50,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:44:50,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:44:50,326 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:44:50,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:49" (3/4) ... [2019-11-28 16:44:50,330 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:44:50,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:44:50,334 INFO L168 Benchmark]: Toolchain (without parser) took 1842.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -70.4 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:44:50,334 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:44:50,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:44:50,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:44:50,337 INFO L168 Benchmark]: Boogie Preprocessor took 57.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:44:50,338 INFO L168 Benchmark]: RCFGBuilder took 731.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:44:50,339 INFO L168 Benchmark]: TraceAbstraction took 485.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:44:50,340 INFO L168 Benchmark]: Witness Printer took 5.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:44:50,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 491.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 731.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 485.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 248]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 153, overapproximation of bitwiseAnd at line 171, overapproximation of someBinaryArithmeticDOUBLEoperation at line 188, overapproximation of someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L147-L161] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] double x = __VERIFIER_nondet_double(); [L242] COND TRUE x < -1.0 && x > 1.0 [L164] double t, w, p, q, c, r, s; [L165] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L167] ieee_double_shape_type gh_u; [L168] gh_u.value = (x) [L169] EXPR gh_u.parts.msw [L169] (hx) = gh_u.parts.msw [L171] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L172] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L183] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L184] COND FALSE !(ix < 0x3e400000) [L188] t = x * x [L189-L192] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L193-L194] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L195] w = p / q [L196] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L244] double res = __ieee754_asin(x); [L18] return x != x; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L247] COND TRUE !isnan_double(res) [L248] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 101 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=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 16:44:52,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:44:52,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:44:52,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:44:52,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:44:52,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:44:52,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:44:52,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:44:52,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:44:52,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:44:52,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:44:52,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:44:52,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:44:52,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:44:52,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:44:52,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:44:52,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:44:52,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:44:52,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:44:52,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:44:52,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:44:52,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:44:52,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:44:52,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:44:52,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:44:52,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:44:52,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:44:52,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:44:52,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:44:52,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:44:52,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:44:52,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:44:52,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:44:52,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:44:52,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:44:52,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:44:52,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:44:52,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:44:52,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:44:52,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:44:52,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:44:52,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:44:52,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:44:52,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:44:52,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:44:52,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:44:52,558 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:44:52,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:44:52,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:44:52,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:44:52,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:44:52,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:44:52,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:44:52,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:44:52,560 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:44:52,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:44:52,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:44:52,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:44:52,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:44:52,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:44:52,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:44:52,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:44:52,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:44:52,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:44:52,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:44:52,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:44:52,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:44:52,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:44:52,563 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:44:52,563 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:44:52,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:44:52,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:44:52,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:44:52,564 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> c9a1fee23eedac3d97051809c6053bb68912ddb9 [2019-11-28 16:44:52,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:44:52,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:44:52,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:44:52,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:44:52,884 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:44:52,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2019-11-28 16:44:52,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f0f63f8/e72e59ba4dfc43eb8d3c025d449c8512/FLAG2a86d9fbd [2019-11-28 16:44:53,497 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:44:53,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2019-11-28 16:44:53,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f0f63f8/e72e59ba4dfc43eb8d3c025d449c8512/FLAG2a86d9fbd [2019-11-28 16:44:53,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f0f63f8/e72e59ba4dfc43eb8d3c025d449c8512 [2019-11-28 16:44:53,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:44:53,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:44:53,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:44:53,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:44:53,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:44:53,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:53" (1/1) ... [2019-11-28 16:44:53,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207b6c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:53, skipping insertion in model container [2019-11-28 16:44:53,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:53" (1/1) ... [2019-11-28 16:44:53,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:44:53,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:44:54,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:44:54,255 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:44:54,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:44:54,378 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:44:54,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54 WrapperNode [2019-11-28 16:44:54,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:44:54,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:44:54,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:44:54,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:44:54,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... [2019-11-28 16:44:54,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... [2019-11-28 16:44:54,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:44:54,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:44:54,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:44:54,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:44:54,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... [2019-11-28 16:44:54,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... [2019-11-28 16:44:54,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... [2019-11-28 16:44:54,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... [2019-11-28 16:44:54,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... [2019-11-28 16:44:54,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... [2019-11-28 16:44:54,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... [2019-11-28 16:44:54,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:44:54,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:44:54,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:44:54,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:44:54,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:44:54,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-28 16:44:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-28 16:44:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:44:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:44:54,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:44:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:44:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:44:54,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:45:13,510 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:45:13,510 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-28 16:45:13,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:13 BoogieIcfgContainer [2019-11-28 16:45:13,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:45:13,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:45:13,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:45:13,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:45:13,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:44:53" (1/3) ... [2019-11-28 16:45:13,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7bc769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:45:13, skipping insertion in model container [2019-11-28 16:45:13,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:54" (2/3) ... [2019-11-28 16:45:13,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7bc769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:45:13, skipping insertion in model container [2019-11-28 16:45:13,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:13" (3/3) ... [2019-11-28 16:45:13,519 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2019-11-28 16:45:13,527 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:45:13,534 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:45:13,544 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:45:13,568 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:45:13,569 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:45:13,569 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:45:13,569 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:45:13,569 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:45:13,570 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:45:13,570 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:45:13,570 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:45:13,588 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-28 16:45:13,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:45:13,595 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:45:13,596 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:45:13,596 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:45:13,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:45:13,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2019-11-28 16:45:13,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:45:13,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320580302] [2019-11-28 16:45:13,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 16:45:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:45:14,278 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:45:14,283 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:45:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:45:14,296 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:45:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:45:14,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320580302] [2019-11-28 16:45:14,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:45:14,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:45:14,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826034148] [2019-11-28 16:45:14,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:45:14,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:45:14,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:45:14,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:45:14,329 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-11-28 16:45:14,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:45:14,357 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2019-11-28 16:45:14,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:45:14,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-28 16:45:14,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:45:14,367 INFO L225 Difference]: With dead ends: 78 [2019-11-28 16:45:14,367 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:45:14,371 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:45:14,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:45:14,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:45:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:45:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:45:14,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-28 16:45:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:45:14,400 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:45:14,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:45:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:45:14,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:45:14,614 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:45:14,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:45:14,714 INFO L246 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2019-11-28 16:45:14,715 INFO L242 CegarLoopResult]: At program point L85-2(lines 85 101) the Hoare annotation is: false [2019-11-28 16:45:14,715 INFO L246 CegarLoopResult]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2019-11-28 16:45:14,715 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:45:14,715 INFO L246 CegarLoopResult]: For program point L185(lines 185 186) no Hoare annotation was computed. [2019-11-28 16:45:14,716 INFO L246 CegarLoopResult]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2019-11-28 16:45:14,716 INFO L242 CegarLoopResult]: At program point L53-3(lines 53 54) the Hoare annotation is: false [2019-11-28 16:45:14,716 INFO L246 CegarLoopResult]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2019-11-28 16:45:14,716 INFO L246 CegarLoopResult]: For program point L103(lines 103 117) no Hoare annotation was computed. [2019-11-28 16:45:14,716 INFO L246 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-11-28 16:45:14,716 INFO L246 CegarLoopResult]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2019-11-28 16:45:14,717 INFO L249 CegarLoopResult]: At program point L253(lines 232 254) the Hoare annotation is: true [2019-11-28 16:45:14,717 INFO L246 CegarLoopResult]: For program point L88(lines 88 97) no Hoare annotation was computed. [2019-11-28 16:45:14,718 INFO L246 CegarLoopResult]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2019-11-28 16:45:14,718 INFO L246 CegarLoopResult]: For program point L138(lines 138 143) no Hoare annotation was computed. [2019-11-28 16:45:14,718 INFO L246 CegarLoopResult]: For program point L138-1(lines 131 145) no Hoare annotation was computed. [2019-11-28 16:45:14,718 INFO L246 CegarLoopResult]: For program point L105(lines 105 116) no Hoare annotation was computed. [2019-11-28 16:45:14,718 INFO L246 CegarLoopResult]: For program point L138-2(lines 138 143) no Hoare annotation was computed. [2019-11-28 16:45:14,718 INFO L246 CegarLoopResult]: For program point L39(lines 39 44) no Hoare annotation was computed. [2019-11-28 16:45:14,719 INFO L242 CegarLoopResult]: At program point L72-2(lines 72 82) the Hoare annotation is: false [2019-11-28 16:45:14,719 INFO L246 CegarLoopResult]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2019-11-28 16:45:14,719 INFO L246 CegarLoopResult]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2019-11-28 16:45:14,719 INFO L246 CegarLoopResult]: For program point L172(lines 172 198) no Hoare annotation was computed. [2019-11-28 16:45:14,719 INFO L246 CegarLoopResult]: For program point L40(lines 40 43) no Hoare annotation was computed. [2019-11-28 16:45:14,719 INFO L246 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-11-28 16:45:14,720 INFO L246 CegarLoopResult]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2019-11-28 16:45:14,720 INFO L242 CegarLoopResult]: At program point L123-2(lines 123 128) the Hoare annotation is: false [2019-11-28 16:45:14,720 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-11-28 16:45:14,720 INFO L246 CegarLoopResult]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2019-11-28 16:45:14,720 INFO L246 CegarLoopResult]: For program point L107(lines 107 115) no Hoare annotation was computed. [2019-11-28 16:45:14,720 INFO L246 CegarLoopResult]: For program point L74(lines 74 78) no Hoare annotation was computed. [2019-11-28 16:45:14,721 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2019-11-28 16:45:14,721 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:45:14,722 INFO L246 CegarLoopResult]: For program point L174-1(lines 174 178) no Hoare annotation was computed. [2019-11-28 16:45:14,723 INFO L242 CegarLoopResult]: At program point L174-2(lines 174 178) the Hoare annotation is: false [2019-11-28 16:45:14,723 INFO L246 CegarLoopResult]: For program point L174-3(lines 172 183) no Hoare annotation was computed. [2019-11-28 16:45:14,723 INFO L246 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-28 16:45:14,723 INFO L246 CegarLoopResult]: For program point L93(lines 93 94) no Hoare annotation was computed. [2019-11-28 16:45:14,724 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2019-11-28 16:45:14,725 INFO L246 CegarLoopResult]: For program point L242(lines 242 251) no Hoare annotation was computed. [2019-11-28 16:45:14,726 INFO L246 CegarLoopResult]: For program point L209(lines 209 225) no Hoare annotation was computed. [2019-11-28 16:45:14,726 INFO L246 CegarLoopResult]: For program point L242-2(lines 242 251) no Hoare annotation was computed. [2019-11-28 16:45:14,726 INFO L246 CegarLoopResult]: For program point L209-2(lines 163 230) no Hoare annotation was computed. [2019-11-28 16:45:14,730 INFO L246 CegarLoopResult]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-11-28 16:45:14,730 INFO L246 CegarLoopResult]: For program point L61(lines 61 64) no Hoare annotation was computed. [2019-11-28 16:45:14,730 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:45:14,730 INFO L246 CegarLoopResult]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2019-11-28 16:45:14,730 INFO L246 CegarLoopResult]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2019-11-28 16:45:14,730 INFO L242 CegarLoopResult]: At program point L28-2(lines 28 33) the Hoare annotation is: false [2019-11-28 16:45:14,731 INFO L246 CegarLoopResult]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2019-11-28 16:45:14,731 INFO L242 CegarLoopResult]: At program point L144(lines 131 145) the Hoare annotation is: false [2019-11-28 16:45:14,731 INFO L246 CegarLoopResult]: For program point L111(lines 111 112) no Hoare annotation was computed. [2019-11-28 16:45:14,731 INFO L246 CegarLoopResult]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2019-11-28 16:45:14,731 INFO L242 CegarLoopResult]: At program point L129(lines 22 130) the Hoare annotation is: false [2019-11-28 16:45:14,731 INFO L246 CegarLoopResult]: For program point L47(lines 47 58) no Hoare annotation was computed. [2019-11-28 16:45:14,732 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2019-11-28 16:45:14,733 INFO L242 CegarLoopResult]: At program point L229(lines 163 230) the Hoare annotation is: false [2019-11-28 16:45:14,733 INFO L242 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-11-28 16:45:14,741 INFO L246 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-11-28 16:45:14,741 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:45:14,741 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 248) no Hoare annotation was computed. [2019-11-28 16:45:14,741 INFO L246 CegarLoopResult]: For program point L247(lines 247 250) no Hoare annotation was computed. [2019-11-28 16:45:14,742 INFO L246 CegarLoopResult]: For program point L214-1(lines 214 219) no Hoare annotation was computed. [2019-11-28 16:45:14,742 INFO L242 CegarLoopResult]: At program point L214-2(lines 214 219) the Hoare annotation is: false [2019-11-28 16:45:14,742 INFO L246 CegarLoopResult]: For program point L214-3(lines 214 219) no Hoare annotation was computed. [2019-11-28 16:45:14,742 INFO L246 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2019-11-28 16:45:14,742 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2019-11-28 16:45:14,742 INFO L242 CegarLoopResult]: At program point L166-2(lines 166 170) the Hoare annotation is: false [2019-11-28 16:45:14,743 INFO L246 CegarLoopResult]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2019-11-28 16:45:14,744 INFO L246 CegarLoopResult]: For program point L166-3(lines 166 170) no Hoare annotation was computed. [2019-11-28 16:45:14,745 INFO L242 CegarLoopResult]: At program point L133-2(lines 133 137) the Hoare annotation is: false [2019-11-28 16:45:14,745 INFO L246 CegarLoopResult]: For program point L183(lines 183 198) no Hoare annotation was computed. [2019-11-28 16:45:14,745 INFO L246 CegarLoopResult]: For program point L183-1(lines 183 198) no Hoare annotation was computed. [2019-11-28 16:45:14,745 INFO L242 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: false [2019-11-28 16:45:14,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:45:14 BoogieIcfgContainer [2019-11-28 16:45:14,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:45:14,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:45:14,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:45:14,762 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:45:14,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:13" (3/4) ... [2019-11-28 16:45:14,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:45:14,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-28 16:45:14,794 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-28 16:45:14,795 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 16:45:14,875 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:45:14,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:45:14,878 INFO L168 Benchmark]: Toolchain (without parser) took 21025.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -44.7 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:45:14,879 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:45:14,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:45:14,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:45:14,881 INFO L168 Benchmark]: Boogie Preprocessor took 123.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:45:14,881 INFO L168 Benchmark]: RCFGBuilder took 18929.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:45:14,882 INFO L168 Benchmark]: TraceAbstraction took 1248.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:45:14,883 INFO L168 Benchmark]: Witness Printer took 114.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:45:14,890 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 527.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 123.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 18929.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1248.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Witness Printer took 114.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 248]: 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: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 39 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate 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...