./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/floats-cbmc-regression/float6.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ec220fd0064d8652998013027d97b204a648814 ........................................................................................................................................................................................................................... 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 -Xmx15G -Xms4m -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/floats-cbmc-regression/float6.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ec220fd0064d8652998013027d97b204a648814 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:16:04,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:16:04,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:16:04,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:16:04,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:16:04,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:16:04,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:16:04,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:16:04,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:16:04,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:16:04,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:16:04,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:16:04,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:16:04,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:16:04,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:16:04,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:16:04,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:16:04,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:16:04,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:16:04,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:16:04,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:16:04,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:16:04,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:16:04,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:16:04,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:16:04,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:16:04,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:16:04,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:16:04,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:16:04,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:16:04,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:16:04,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:16:04,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:16:04,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:16:04,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:16:04,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:16:04,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:16:04,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:16:04,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:16:04,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:16:04,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:16:04,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:16:04,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:16:04,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:16:04,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:16:04,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:16:04,525 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:16:04,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:16:04,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:16:04,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:16:04,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:16:04,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:16:04,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:16:04,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:16:04,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:16:04,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:16:04,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:16:04,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:16:04,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:16:04,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:16:04,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:16:04,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:16:04,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:16:04,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:16:04,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:16:04,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:16:04,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:16:04,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:16:04,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:16:04,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:16:04,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:16:04,531 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(reach_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 -> 9ec220fd0064d8652998013027d97b204a648814 [2020-10-20 00:16:04,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:16:04,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:16:04,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:16:04,783 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:16:04,784 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:16:04,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float6.c [2020-10-20 00:16:04,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9e49f67/50f9b33b34034020984c10ec1c38847c/FLAG8cbd7395c [2020-10-20 00:16:05,275 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:16:05,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c [2020-10-20 00:16:05,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9e49f67/50f9b33b34034020984c10ec1c38847c/FLAG8cbd7395c [2020-10-20 00:16:05,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f9e49f67/50f9b33b34034020984c10ec1c38847c [2020-10-20 00:16:05,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:16:05,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:16:05,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:05,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:16:05,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:16:05,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:05" (1/1) ... [2020-10-20 00:16:05,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbe767f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:05, skipping insertion in model container [2020-10-20 00:16:05,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:05" (1/1) ... [2020-10-20 00:16:05,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:16:05,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:16:06,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:06,113 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:16:06,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:06,161 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:16:06,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06 WrapperNode [2020-10-20 00:16:06,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:06,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:06,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:16:06,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:16:06,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (1/1) ... [2020-10-20 00:16:06,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (1/1) ... [2020-10-20 00:16:06,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:06,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:16:06,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:16:06,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:16:06,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (1/1) ... [2020-10-20 00:16:06,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (1/1) ... [2020-10-20 00:16:06,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (1/1) ... [2020-10-20 00:16:06,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (1/1) ... [2020-10-20 00:16:06,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (1/1) ... [2020-10-20 00:16:06,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (1/1) ... [2020-10-20 00:16:06,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (1/1) ... [2020-10-20 00:16:06,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:16:06,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:16:06,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:16:06,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:16:06,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (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 [2020-10-20 00:16:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:16:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:16:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:16:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:16:06,724 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:16:06,725 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-10-20 00:16:06,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:06 BoogieIcfgContainer [2020-10-20 00:16:06,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:16:06,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:16:06,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:16:06,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:16:06,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:16:05" (1/3) ... [2020-10-20 00:16:06,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9213de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:06, skipping insertion in model container [2020-10-20 00:16:06,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:06" (2/3) ... [2020-10-20 00:16:06,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9213de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:06, skipping insertion in model container [2020-10-20 00:16:06,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:06" (3/3) ... [2020-10-20 00:16:06,738 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2020-10-20 00:16:06,750 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:16:06,757 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-10-20 00:16:06,772 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-10-20 00:16:06,802 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:16:06,803 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:16:06,803 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:16:06,803 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:16:06,804 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:16:06,804 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:16:06,804 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:16:06,805 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:16:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-20 00:16:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-20 00:16:06,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:16:06,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-20 00:16:06,844 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:16:06,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:16:06,851 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-10-20 00:16:06,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:16:06,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46410527] [2020-10-20 00:16:06,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:16:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:16:06,970 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:16:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:16:06,988 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:16:07,012 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:16:07,013 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:16:07,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:16:07,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:16:07 BoogieIcfgContainer [2020-10-20 00:16:07,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:16:07,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:16:07,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:16:07,043 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:16:07,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:06" (3/4) ... [2020-10-20 00:16:07,048 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:16:07,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:16:07,051 INFO L168 Benchmark]: Toolchain (without parser) took 1376.31 ms. Allocated memory was 37.2 MB in the beginning and 47.2 MB in the end (delta: 10.0 MB). Free memory was 12.5 MB in the beginning and 14.5 MB in the end (delta: -2.1 MB). Peak memory consumption was 7.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:07,052 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 37.2 MB. Free memory is still 16.4 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:16:07,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.15 ms. Allocated memory was 37.2 MB in the beginning and 44.6 MB in the end (delta: 7.3 MB). Free memory was 11.5 MB in the beginning and 26.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:07,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.53 ms. Allocated memory is still 44.6 MB. Free memory was 26.4 MB in the beginning and 24.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:07,055 INFO L168 Benchmark]: Boogie Preprocessor took 29.43 ms. Allocated memory is still 44.6 MB. Free memory was 24.1 MB in the beginning and 22.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:07,057 INFO L168 Benchmark]: RCFGBuilder took 486.99 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 22.3 MB in the beginning and 29.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:07,057 INFO L168 Benchmark]: TraceAbstraction took 313.90 ms. Allocated memory is still 47.2 MB. Free memory was 29.5 MB in the beginning and 15.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:07,058 INFO L168 Benchmark]: Witness Printer took 5.46 ms. Allocated memory is still 47.2 MB. Free memory was 15.2 MB in the beginning and 14.8 MB in the end (delta: 302.9 kB). Peak memory consumption was 302.9 kB. Max. memory is 14.3 GB. [2020-10-20 00:16:07,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 37.2 MB. Free memory is still 16.4 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 484.15 ms. Allocated memory was 37.2 MB in the beginning and 44.6 MB in the end (delta: 7.3 MB). Free memory was 11.5 MB in the beginning and 26.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 45.53 ms. Allocated memory is still 44.6 MB. Free memory was 26.4 MB in the beginning and 24.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 29.43 ms. Allocated memory is still 44.6 MB. Free memory was 24.1 MB in the beginning and 22.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 486.99 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 22.3 MB in the beginning and 29.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 313.90 ms. Allocated memory is still 47.2 MB. Free memory was 29.5 MB in the beginning and 15.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 14.3 GB. * Witness Printer took 5.46 ms. Allocated memory is still 47.2 MB. Free memory was 15.2 MB in the beginning and 14.8 MB in the end (delta: 302.9 kB). Peak memory consumption was 302.9 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9. Possible FailurePath: [L9] COND TRUE !(1.0!=2.0) [L4] __assert_fail("0", "float6.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 151 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.1.25-9a8b2e8 [2020-10-20 00:16:09,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:16:09,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:16:09,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:16:09,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:16:09,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:16:09,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:16:09,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:16:09,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:16:09,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:16:09,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:16:09,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:16:09,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:16:09,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:16:09,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:16:09,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:16:09,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:16:09,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:16:09,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:16:09,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:16:09,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:16:09,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:16:09,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:16:09,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:16:09,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:16:09,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:16:09,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:16:09,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:16:09,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:16:09,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:16:09,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:16:09,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:16:09,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:16:09,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:16:09,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:16:09,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:16:09,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:16:09,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:16:09,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:16:09,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:16:09,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:16:09,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:16:09,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:16:09,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:16:09,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:16:09,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:16:09,311 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:16:09,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:16:09,311 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:16:09,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:16:09,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:16:09,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:16:09,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:16:09,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:16:09,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:16:09,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:16:09,314 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:16:09,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:16:09,314 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:16:09,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:16:09,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:16:09,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:16:09,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:16:09,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:16:09,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:16:09,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:16:09,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:16:09,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:16:09,316 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:16:09,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:16:09,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:16:09,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:16:09,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:16:09,317 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(reach_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 -> 9ec220fd0064d8652998013027d97b204a648814 [2020-10-20 00:16:09,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:16:09,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:16:09,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:16:09,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:16:09,556 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:16:09,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float6.c [2020-10-20 00:16:09,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf000b38c/b7134a90f9d34131aebaf54cef4c5df7/FLAG7bc4ee7ae [2020-10-20 00:16:10,025 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:16:10,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float6.c [2020-10-20 00:16:10,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf000b38c/b7134a90f9d34131aebaf54cef4c5df7/FLAG7bc4ee7ae [2020-10-20 00:16:10,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf000b38c/b7134a90f9d34131aebaf54cef4c5df7 [2020-10-20 00:16:10,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:16:10,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:16:10,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:10,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:16:10,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:16:10,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:10,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2fdb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10, skipping insertion in model container [2020-10-20 00:16:10,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:10,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:16:10,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:16:10,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:10,907 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:16:10,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:10,961 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:16:10,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10 WrapperNode [2020-10-20 00:16:10,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:10,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:10,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:16:10,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:16:10,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:10,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:11,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:11,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:16:11,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:16:11,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:16:11,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:11,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:11,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:11,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:11,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:11,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:11,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (1/1) ... [2020-10-20 00:16:11,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:16:11,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:16:11,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:16:11,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:16:11,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (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 [2020-10-20 00:16:11,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:16:11,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:16:11,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:16:11,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:16:11,659 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:16:11,659 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-10-20 00:16:11,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:11 BoogieIcfgContainer [2020-10-20 00:16:11,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:16:11,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:16:11,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:16:11,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:16:11,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:16:10" (1/3) ... [2020-10-20 00:16:11,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3eee2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:11, skipping insertion in model container [2020-10-20 00:16:11,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:10" (2/3) ... [2020-10-20 00:16:11,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3eee2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:11, skipping insertion in model container [2020-10-20 00:16:11,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:11" (3/3) ... [2020-10-20 00:16:11,671 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2020-10-20 00:16:11,684 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:16:11,693 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2020-10-20 00:16:11,707 INFO L253 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2020-10-20 00:16:11,733 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:16:11,733 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:16:11,733 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:16:11,733 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:16:11,734 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:16:11,734 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:16:11,734 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:16:11,734 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:16:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-10-20 00:16:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-20 00:16:11,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:16:11,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-20 00:16:11,769 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:16:11,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:16:11,775 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-10-20 00:16:11,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:16:11,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312935677] [2020-10-20 00:16:11,786 INFO L95 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 [2020-10-20 00:16:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:11,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:16:11,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:11,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:11,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:16:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:11,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312935677] [2020-10-20 00:16:11,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:16:11,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:16:11,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713072957] [2020-10-20 00:16:11,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:16:11,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:16:11,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:16:11,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:16:11,913 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2020-10-20 00:16:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:16:11,937 INFO L93 Difference]: Finished difference Result 219 states and 290 transitions. [2020-10-20 00:16:11,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:16:11,939 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-20 00:16:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:16:11,950 INFO L225 Difference]: With dead ends: 219 [2020-10-20 00:16:11,951 INFO L226 Difference]: Without dead ends: 68 [2020-10-20 00:16:11,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:16:11,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-20 00:16:11,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-20 00:16:11,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-20 00:16:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 67 transitions. [2020-10-20 00:16:11,995 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 67 transitions. Word has length 4 [2020-10-20 00:16:11,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:16:11,996 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 67 transitions. [2020-10-20 00:16:11,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:16:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 67 transitions. [2020-10-20 00:16:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 00:16:11,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:16:11,997 INFO L422 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] [2020-10-20 00:16:12,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:16:12,211 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:16:12,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:16:12,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1026561821, now seen corresponding path program 1 times [2020-10-20 00:16:12,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:16:12,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058874599] [2020-10-20 00:16:12,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:16:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:12,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 00:16:12,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:12,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:16:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:12,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058874599] [2020-10-20 00:16:12,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:16:12,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-10-20 00:16:12,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301282546] [2020-10-20 00:16:12,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 00:16:12,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:16:12,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 00:16:12,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:16:12,430 INFO L87 Difference]: Start difference. First operand 68 states and 67 transitions. Second operand 4 states. [2020-10-20 00:16:12,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:16:12,639 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2020-10-20 00:16:12,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:16:12,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-20 00:16:12,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:16:12,640 INFO L225 Difference]: With dead ends: 68 [2020-10-20 00:16:12,641 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:16:12,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:16:12,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:16:12,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:16:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:16:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:16:12,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-20 00:16:12,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:16:12,643 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:16:12,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 00:16:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:16:12,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:16:12,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:16:12,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:16:12,857 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,858 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,858 INFO L274 CegarLoopResult]: For program point L19-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,858 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,858 INFO L274 CegarLoopResult]: For program point L36-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,858 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:16:12,858 INFO L274 CegarLoopResult]: For program point L20-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,860 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,860 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,861 INFO L274 CegarLoopResult]: For program point L37-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,861 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,862 INFO L274 CegarLoopResult]: For program point L4-2(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,862 INFO L274 CegarLoopResult]: For program point L4-3(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,862 INFO L274 CegarLoopResult]: For program point L4-4(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,862 INFO L274 CegarLoopResult]: For program point L4-5(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,863 INFO L274 CegarLoopResult]: For program point L4-6(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,863 INFO L274 CegarLoopResult]: For program point L4-7(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,863 INFO L274 CegarLoopResult]: For program point L4-8(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,863 INFO L274 CegarLoopResult]: For program point L4-9(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,864 INFO L274 CegarLoopResult]: For program point L4-10(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,872 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,872 INFO L274 CegarLoopResult]: For program point L4-11(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,872 INFO L274 CegarLoopResult]: For program point L4-12(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,872 INFO L274 CegarLoopResult]: For program point L4-13(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,873 INFO L274 CegarLoopResult]: For program point L4-14(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,873 INFO L274 CegarLoopResult]: For program point L4-15(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,873 INFO L274 CegarLoopResult]: For program point L4-16(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,873 INFO L274 CegarLoopResult]: For program point L21-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,873 INFO L274 CegarLoopResult]: For program point L4-17(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,874 INFO L274 CegarLoopResult]: For program point L4-18(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,874 INFO L274 CegarLoopResult]: For program point L4-19(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,874 INFO L274 CegarLoopResult]: For program point L4-20(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,874 INFO L274 CegarLoopResult]: For program point L4-21(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,875 INFO L274 CegarLoopResult]: For program point L4-22(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,875 INFO L274 CegarLoopResult]: For program point L4-23(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,875 INFO L274 CegarLoopResult]: For program point L4-24(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,875 INFO L274 CegarLoopResult]: For program point L4-25(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,875 INFO L274 CegarLoopResult]: For program point L4-26(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,875 INFO L274 CegarLoopResult]: For program point L4-27(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,875 INFO L274 CegarLoopResult]: For program point L4-28(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,875 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,876 INFO L274 CegarLoopResult]: For program point L4-29(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,876 INFO L274 CegarLoopResult]: For program point L4-30(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,876 INFO L274 CegarLoopResult]: For program point L4-31(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,876 INFO L274 CegarLoopResult]: For program point L38-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,876 INFO L274 CegarLoopResult]: For program point L4-32(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,876 INFO L274 CegarLoopResult]: For program point L4-33(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,876 INFO L274 CegarLoopResult]: For program point L4-34(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,876 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,877 INFO L274 CegarLoopResult]: For program point L4-35(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,877 INFO L274 CegarLoopResult]: For program point L4-36(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,877 INFO L274 CegarLoopResult]: For program point L4-37(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,877 INFO L274 CegarLoopResult]: For program point L4-38(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,877 INFO L274 CegarLoopResult]: For program point L4-39(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,878 INFO L274 CegarLoopResult]: For program point L4-40(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,879 INFO L274 CegarLoopResult]: For program point L4-41(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,879 INFO L274 CegarLoopResult]: For program point L4-42(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,879 INFO L274 CegarLoopResult]: For program point L4-43(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,879 INFO L274 CegarLoopResult]: For program point L4-44(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,879 INFO L274 CegarLoopResult]: For program point L4-45(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,879 INFO L274 CegarLoopResult]: For program point L4-46(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,880 INFO L274 CegarLoopResult]: For program point L22-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,880 INFO L274 CegarLoopResult]: For program point L4-47(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,880 INFO L274 CegarLoopResult]: For program point L4-48(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,880 INFO L274 CegarLoopResult]: For program point L4-49(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,880 INFO L274 CegarLoopResult]: For program point L4-50(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,880 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,880 INFO L274 CegarLoopResult]: For program point L4-51(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,880 INFO L274 CegarLoopResult]: For program point L4-52(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,881 INFO L274 CegarLoopResult]: For program point L4-53(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,881 INFO L274 CegarLoopResult]: For program point L4-54(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,881 INFO L274 CegarLoopResult]: For program point L4-55(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,881 INFO L274 CegarLoopResult]: For program point L4-56(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,881 INFO L274 CegarLoopResult]: For program point L4-57(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,881 INFO L274 CegarLoopResult]: For program point L4-58(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,881 INFO L274 CegarLoopResult]: For program point L4-59(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,881 INFO L274 CegarLoopResult]: For program point L4-60(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,882 INFO L274 CegarLoopResult]: For program point L4-61(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,882 INFO L274 CegarLoopResult]: For program point L39-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,882 INFO L274 CegarLoopResult]: For program point L4-62(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,882 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,882 INFO L274 CegarLoopResult]: For program point L6(lines 6 50) no Hoare annotation was computed. [2020-10-20 00:16:12,882 INFO L274 CegarLoopResult]: For program point L4-63(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,882 INFO L274 CegarLoopResult]: For program point L4-64(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,883 INFO L274 CegarLoopResult]: For program point L4-65(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,883 INFO L274 CegarLoopResult]: For program point L4-66(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,884 INFO L274 CegarLoopResult]: For program point L4-67(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,884 INFO L274 CegarLoopResult]: For program point L4-68(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,885 INFO L274 CegarLoopResult]: For program point L4-69(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,885 INFO L274 CegarLoopResult]: For program point L4-70(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,885 INFO L274 CegarLoopResult]: For program point L4-71(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,885 INFO L274 CegarLoopResult]: For program point L23-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,885 INFO L274 CegarLoopResult]: For program point L40-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,885 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,886 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,886 INFO L274 CegarLoopResult]: For program point L24-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,886 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,886 INFO L274 CegarLoopResult]: For program point L41-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,887 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,887 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:16:12,887 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,887 INFO L274 CegarLoopResult]: For program point L25-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,887 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,888 INFO L274 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-10-20 00:16:12,888 INFO L274 CegarLoopResult]: For program point L42-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,888 INFO L274 CegarLoopResult]: For program point L9-2(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,888 INFO L274 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed. [2020-10-20 00:16:12,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,889 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,889 INFO L274 CegarLoopResult]: For program point L43-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,889 INFO L274 CegarLoopResult]: For program point L10-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,889 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,889 INFO L274 CegarLoopResult]: For program point L44-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,889 INFO L274 CegarLoopResult]: For program point L11-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,890 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,890 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,890 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:16:12,890 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,891 INFO L274 CegarLoopResult]: For program point L45-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,891 INFO L274 CegarLoopResult]: For program point L12-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,891 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,891 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,892 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,892 INFO L274 CegarLoopResult]: For program point L46-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,892 INFO L274 CegarLoopResult]: For program point L13-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,892 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,892 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-20 00:16:12,892 INFO L274 CegarLoopResult]: For program point L30-2(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,896 INFO L274 CegarLoopResult]: For program point L47-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,896 INFO L274 CegarLoopResult]: For program point L14-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,896 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,896 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,897 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,897 INFO L274 CegarLoopResult]: For program point L48-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,897 INFO L274 CegarLoopResult]: For program point L15-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,898 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,898 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:16:12,898 INFO L274 CegarLoopResult]: For program point L32-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,898 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,898 INFO L274 CegarLoopResult]: For program point L16-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,898 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,898 INFO L274 CegarLoopResult]: For program point L33-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,898 INFO L274 CegarLoopResult]: For program point L17-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,899 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,899 INFO L274 CegarLoopResult]: For program point L34-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,899 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,902 INFO L274 CegarLoopResult]: For program point L18-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,902 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-20 00:16:12,902 INFO L274 CegarLoopResult]: For program point L35-1(lines 7 50) no Hoare annotation was computed. [2020-10-20 00:16:12,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:16:12 BoogieIcfgContainer [2020-10-20 00:16:12,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:16:12,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:16:12,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:16:12,917 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:16:12,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:11" (3/4) ... [2020-10-20 00:16:12,924 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:16:12,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-20 00:16:12,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 00:16:12,972 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 00:16:12,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:16:13,127 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:16:13,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:16:13,130 INFO L168 Benchmark]: Toolchain (without parser) took 2663.45 ms. Allocated memory was 35.7 MB in the beginning and 51.9 MB in the end (delta: 16.3 MB). Free memory was 9.4 MB in the beginning and 33.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:13,130 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 35.7 MB. Free memory is still 14.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:16:13,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.19 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 8.5 MB in the beginning and 25.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:13,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.19 ms. Allocated memory is still 45.1 MB. Free memory was 25.4 MB in the beginning and 23.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:13,132 INFO L168 Benchmark]: Boogie Preprocessor took 40.67 ms. Allocated memory is still 45.1 MB. Free memory was 23.0 MB in the beginning and 21.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:13,132 INFO L168 Benchmark]: RCFGBuilder took 607.34 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 21.0 MB in the beginning and 25.6 MB in the end (delta: -4.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:13,133 INFO L168 Benchmark]: TraceAbstraction took 1253.28 ms. Allocated memory was 47.2 MB in the beginning and 49.3 MB in the end (delta: 2.1 MB). Free memory was 25.3 MB in the beginning and 15.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:13,133 INFO L168 Benchmark]: Witness Printer took 210.89 ms. Allocated memory was 49.3 MB in the beginning and 51.9 MB in the end (delta: 2.6 MB). Free memory was 15.5 MB in the beginning and 33.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:13,136 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 35.7 MB. Free memory is still 14.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 481.19 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 8.5 MB in the beginning and 25.4 MB in the end (delta: -16.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 51.19 ms. Allocated memory is still 45.1 MB. Free memory was 25.4 MB in the beginning and 23.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 40.67 ms. Allocated memory is still 45.1 MB. Free memory was 23.0 MB in the beginning and 21.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 607.34 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 21.0 MB in the beginning and 25.6 MB in the end (delta: -4.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1253.28 ms. Allocated memory was 47.2 MB in the beginning and 49.3 MB in the end (delta: 2.1 MB). Free memory was 25.3 MB in the beginning and 15.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * Witness Printer took 210.89 ms. Allocated memory was 49.3 MB in the beginning and 51.9 MB in the end (delta: 2.6 MB). Free memory was 15.5 MB in the beginning and 33.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 151 locations, 36 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 17 SDslu, 38 SDs, 0 SdLazy, 21 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 52 ConstructedInterpolants, 1 QuantifiedInterpolants, 1398 SizeOfPredicates, 6 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...