/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1300.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:13:57,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:13:57,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:13:57,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:13:57,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:13:57,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:13:57,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:13:57,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:13:57,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:13:57,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:13:57,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:13:57,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:13:57,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:13:57,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:13:57,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:13:57,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:13:57,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:13:57,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:13:57,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:13:57,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:13:57,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:13:57,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:13:57,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:13:57,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:13:57,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 13:13:57,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 13:13:57,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 13:13:57,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 13:13:57,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 13:13:57,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 13:13:57,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 13:13:57,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 13:13:57,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 13:13:57,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 13:13:57,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 13:13:57,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 13:13:57,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 13:13:57,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 13:13:57,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:13:57,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:13:57,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:13:57,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:13:57,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:13:57,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:13:57,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:13:57,834 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:13:57,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:13:57,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:13:57,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:13:57,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:13:57,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:13:57,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:13:57,836 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:13:57,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:13:57,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:13:57,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:13:57,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:13:57,839 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:13:57,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:13:57,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:13:57,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:13:57,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:13:57,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:13:57,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:13:57,841 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:13:58,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:13:58,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:13:58,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:13:58,119 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:13:58,120 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:13:58,121 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1300.c [2020-07-17 13:13:58,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81cf9338e/beb43e920e2243ba9a237855d9b132e5/FLAGd76ed89d1 [2020-07-17 13:13:58,701 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:13:58,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1300.c [2020-07-17 13:13:58,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81cf9338e/beb43e920e2243ba9a237855d9b132e5/FLAGd76ed89d1 [2020-07-17 13:13:59,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81cf9338e/beb43e920e2243ba9a237855d9b132e5 [2020-07-17 13:13:59,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:13:59,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:13:59,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:59,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:13:59,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:13:59,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:59" (1/1) ... [2020-07-17 13:13:59,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb0e3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59, skipping insertion in model container [2020-07-17 13:13:59,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:59" (1/1) ... [2020-07-17 13:13:59,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:13:59,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:13:59,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:59,352 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:13:59,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:59,499 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:13:59,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59 WrapperNode [2020-07-17 13:13:59,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:59,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:13:59,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:13:59,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:13:59,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59" (1/1) ... [2020-07-17 13:13:59,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59" (1/1) ... [2020-07-17 13:13:59,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59" (1/1) ... [2020-07-17 13:13:59,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59" (1/1) ... [2020-07-17 13:13:59,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59" (1/1) ... [2020-07-17 13:13:59,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59" (1/1) ... [2020-07-17 13:13:59,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59" (1/1) ... [2020-07-17 13:13:59,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:13:59,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:13:59,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:13:59,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:13:59,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59" (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 [2020-07-17 13:13:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:13:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:13:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-07-17 13:13:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 13:13:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2020-07-17 13:13:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:13:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:13:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-17 13:13:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-07-17 13:13:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 13:13:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 13:13:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 13:13:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 13:13:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 13:13:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2020-07-17 13:13:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:13:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:13:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:13:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 13:13:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 13:13:59,970 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:13:59,971 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-17 13:13:59,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:59 BoogieIcfgContainer [2020-07-17 13:13:59,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:13:59,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:13:59,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:13:59,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:13:59,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:13:59" (1/3) ... [2020-07-17 13:13:59,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6323bda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:59, skipping insertion in model container [2020-07-17 13:13:59,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:59" (2/3) ... [2020-07-17 13:13:59,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6323bda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:59, skipping insertion in model container [2020-07-17 13:13:59,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:59" (3/3) ... [2020-07-17 13:13:59,985 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300.c [2020-07-17 13:13:59,997 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:14:00,005 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:14:00,023 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:14:00,046 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:14:00,046 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:14:00,046 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:14:00,046 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:14:00,047 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:14:00,047 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:14:00,047 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:14:00,047 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:14:00,064 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-07-17 13:14:00,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-17 13:14:00,076 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:14:00,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:14:00,078 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:14:00,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:14:00,083 INFO L82 PathProgramCache]: Analyzing trace with hash -984491116, now seen corresponding path program 1 times [2020-07-17 13:14:00,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:14:00,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568500240] [2020-07-17 13:14:00,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:14:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:14:00,355 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:14:00,357 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568500240] [2020-07-17 13:14:00,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:14:00,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 13:14:00,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277751199] [2020-07-17 13:14:00,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 13:14:00,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:14:00,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 13:14:00,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 13:14:00,383 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 4 states. [2020-07-17 13:14:00,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:14:00,649 INFO L93 Difference]: Finished difference Result 144 states and 157 transitions. [2020-07-17 13:14:00,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 13:14:00,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-17 13:14:00,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:14:00,660 INFO L225 Difference]: With dead ends: 144 [2020-07-17 13:14:00,661 INFO L226 Difference]: Without dead ends: 70 [2020-07-17 13:14:00,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:14:00,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-17 13:14:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-07-17 13:14:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-17 13:14:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2020-07-17 13:14:00,719 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 39 [2020-07-17 13:14:00,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:14:00,720 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2020-07-17 13:14:00,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 13:14:00,720 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2020-07-17 13:14:00,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-17 13:14:00,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:14:00,723 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:14:00,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:14:00,724 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:14:00,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:14:00,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1526802571, now seen corresponding path program 1 times [2020-07-17 13:14:00,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:14:00,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091034129] [2020-07-17 13:14:00,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:14:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:14:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:14:01,083 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:14:01,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091034129] [2020-07-17 13:14:01,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:14:01,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 13:14:01,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121432421] [2020-07-17 13:14:01,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 13:14:01,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:14:01,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 13:14:01,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:14:01,087 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 6 states. [2020-07-17 13:14:01,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:14:01,318 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2020-07-17 13:14:01,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:14:01,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-17 13:14:01,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:14:01,319 INFO L225 Difference]: With dead ends: 95 [2020-07-17 13:14:01,320 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 13:14:01,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:14:01,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 13:14:01,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 13:14:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 13:14:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 13:14:01,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2020-07-17 13:14:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:14:01,323 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 13:14:01,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 13:14:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 13:14:01,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 13:14:01,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:14:01,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 13:14:01,705 INFO L271 CegarLoopResult]: At program point isnan_doubleENTRY(line 31) the Hoare annotation is: true [2020-07-17 13:14:01,705 INFO L271 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: true [2020-07-17 13:14:01,706 INFO L271 CegarLoopResult]: At program point isnan_doubleEXIT(line 31) the Hoare annotation is: true [2020-07-17 13:14:01,706 INFO L271 CegarLoopResult]: At program point isnan_doubleFINAL(line 31) the Hoare annotation is: true [2020-07-17 13:14:01,706 INFO L264 CegarLoopResult]: At program point L35-2(lines 35 39) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,706 INFO L271 CegarLoopResult]: At program point L35-3(lines 35 39) the Hoare annotation is: true [2020-07-17 13:14:01,706 INFO L271 CegarLoopResult]: At program point isfinite_doubleFINAL(lines 33 41) the Hoare annotation is: true [2020-07-17 13:14:01,707 INFO L271 CegarLoopResult]: At program point isfinite_doubleEXIT(lines 33 41) the Hoare annotation is: true [2020-07-17 13:14:01,707 INFO L271 CegarLoopResult]: At program point L38(line 38) the Hoare annotation is: true [2020-07-17 13:14:01,707 INFO L271 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: true [2020-07-17 13:14:01,707 INFO L271 CegarLoopResult]: At program point L38-1(line 38) the Hoare annotation is: true [2020-07-17 13:14:01,707 INFO L271 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: true [2020-07-17 13:14:01,707 INFO L271 CegarLoopResult]: At program point L38-2(line 38) the Hoare annotation is: true [2020-07-17 13:14:01,708 INFO L264 CegarLoopResult]: At program point isfinite_doubleENTRY(lines 33 41) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,708 INFO L271 CegarLoopResult]: At program point L38-3(line 38) the Hoare annotation is: true [2020-07-17 13:14:01,708 INFO L271 CegarLoopResult]: At program point L36-1(line 36) the Hoare annotation is: true [2020-07-17 13:14:01,708 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,708 INFO L271 CegarLoopResult]: At program point L36-2(line 36) the Hoare annotation is: true [2020-07-17 13:14:01,709 INFO L271 CegarLoopResult]: At program point L35-1(lines 35 39) the Hoare annotation is: true [2020-07-17 13:14:01,709 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-17 13:14:01,709 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-17 13:14:01,709 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:14:01,709 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-17 13:14:01,710 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:14:01,710 INFO L271 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: true [2020-07-17 13:14:01,710 INFO L271 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-07-17 13:14:01,710 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-17 13:14:01,710 INFO L271 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: true [2020-07-17 13:14:01,710 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-07-17 13:14:01,711 INFO L271 CegarLoopResult]: At program point L21-2(line 21) the Hoare annotation is: true [2020-07-17 13:14:01,711 INFO L271 CegarLoopResult]: At program point L21-3(line 21) the Hoare annotation is: true [2020-07-17 13:14:01,711 INFO L271 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true [2020-07-17 13:14:01,711 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,711 INFO L271 CegarLoopResult]: At program point L19-2(line 19) the Hoare annotation is: true [2020-07-17 13:14:01,712 INFO L264 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,712 INFO L271 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: true [2020-07-17 13:14:01,712 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true [2020-07-17 13:14:01,712 INFO L271 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: true [2020-07-17 13:14:01,712 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-17 13:14:01,713 INFO L271 CegarLoopResult]: At program point L22-2(line 22) the Hoare annotation is: true [2020-07-17 13:14:01,713 INFO L271 CegarLoopResult]: At program point L22-3(line 22) the Hoare annotation is: true [2020-07-17 13:14:01,713 INFO L271 CegarLoopResult]: At program point L22-4(line 22) the Hoare annotation is: true [2020-07-17 13:14:01,713 INFO L271 CegarLoopResult]: At program point L18-1(lines 18 23) the Hoare annotation is: true [2020-07-17 13:14:01,713 INFO L264 CegarLoopResult]: At program point L18-2(lines 18 23) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,713 INFO L271 CegarLoopResult]: At program point isinf_doubleFINAL(lines 16 28) the Hoare annotation is: true [2020-07-17 13:14:01,714 INFO L271 CegarLoopResult]: At program point L18-3(lines 18 23) the Hoare annotation is: true [2020-07-17 13:14:01,714 INFO L271 CegarLoopResult]: At program point isinf_doubleEXIT(lines 16 28) the Hoare annotation is: true [2020-07-17 13:14:01,714 INFO L264 CegarLoopResult]: At program point isinf_doubleENTRY(lines 16 28) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,714 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 13:14:01,714 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 13:14:01,714 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 13:14:01,715 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 13:14:01,715 INFO L264 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: false [2020-07-17 13:14:01,715 INFO L271 CegarLoopResult]: At program point L58(lines 58 61) the Hoare annotation is: true [2020-07-17 13:14:01,715 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 43 65) the Hoare annotation is: true [2020-07-17 13:14:01,715 INFO L264 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,715 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 43 65) the Hoare annotation is: true [2020-07-17 13:14:01,716 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 59) the Hoare annotation is: false [2020-07-17 13:14:01,716 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 43 65) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,716 INFO L271 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: true [2020-07-17 13:14:01,716 INFO L271 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: true [2020-07-17 13:14:01,716 INFO L271 CegarLoopResult]: At program point L55-1(line 55) the Hoare annotation is: true [2020-07-17 13:14:01,717 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|)) [2020-07-17 13:14:01,717 INFO L264 CegarLoopResult]: At program point L55-2(line 55) the Hoare annotation is: (and (<= 0 (+ |main_#t~ret10| 2147483648)) (<= |main_#t~ret10| 2147483647)) [2020-07-17 13:14:01,717 INFO L271 CegarLoopResult]: At program point L53-1(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,717 INFO L264 CegarLoopResult]: At program point L55-3(line 55) the Hoare annotation is: (and (<= 0 (+ |main_#t~ret10| 2147483648)) (<= |main_#t~ret10| 2147483647)) [2020-07-17 13:14:01,717 INFO L271 CegarLoopResult]: At program point L53-2(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,718 INFO L271 CegarLoopResult]: At program point L53-3(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,718 INFO L271 CegarLoopResult]: At program point L53-4(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,718 INFO L271 CegarLoopResult]: At program point L53-5(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,718 INFO L271 CegarLoopResult]: At program point L53-6(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,718 INFO L271 CegarLoopResult]: At program point L53-8(lines 53 62) the Hoare annotation is: true [2020-07-17 13:14:01,718 INFO L271 CegarLoopResult]: At program point L53-9(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,719 INFO L271 CegarLoopResult]: At program point L53-10(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,719 INFO L271 CegarLoopResult]: At program point L53-11(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,719 INFO L271 CegarLoopResult]: At program point L53-13(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,719 INFO L271 CegarLoopResult]: At program point L53-14(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,719 INFO L271 CegarLoopResult]: At program point L53-15(line 53) the Hoare annotation is: true [2020-07-17 13:14:01,719 INFO L271 CegarLoopResult]: At program point L53-16(lines 53 62) the Hoare annotation is: true [2020-07-17 13:14:01,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,739 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,740 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,741 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:14:01 BoogieIcfgContainer [2020-07-17 13:14:01,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:14:01,751 INFO L168 Benchmark]: Toolchain (without parser) took 2647.18 ms. Allocated memory was 143.1 MB in the beginning and 235.9 MB in the end (delta: 92.8 MB). Free memory was 102.5 MB in the beginning and 119.5 MB in the end (delta: -17.0 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:01,752 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 13:14:01,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.17 ms. Allocated memory was 143.1 MB in the beginning and 203.9 MB in the end (delta: 60.8 MB). Free memory was 102.3 MB in the beginning and 182.5 MB in the end (delta: -80.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:01,755 INFO L168 Benchmark]: Boogie Preprocessor took 47.62 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 180.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:01,756 INFO L168 Benchmark]: RCFGBuilder took 428.68 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 158.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:01,757 INFO L168 Benchmark]: TraceAbstraction took 1770.03 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 157.6 MB in the beginning and 119.5 MB in the end (delta: 38.1 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. [2020-07-17 13:14:01,761 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 392.17 ms. Allocated memory was 143.1 MB in the beginning and 203.9 MB in the end (delta: 60.8 MB). Free memory was 102.3 MB in the beginning and 182.5 MB in the end (delta: -80.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.62 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 180.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 428.68 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 158.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1770.03 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 157.6 MB in the beginning and 119.5 MB in the end (delta: 38.1 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_real - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 59]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant [2020-07-17 13:14:01,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((unknown-#memory_real-unknown == \old(unknown-#memory_real-unknown) && \valid == \old(\valid)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(unknown-#length-unknown) == unknown-#length-unknown - InvariantResult [Line: 18]: Loop Invariant [2020-07-17 13:14:01,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_real [2020-07-17 13:14:01,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 13:14:01,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 13:14:01,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((unknown-#memory_real-unknown == \old(unknown-#memory_real-unknown) && \valid == \old(\valid)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(unknown-#length-unknown) == unknown-#length-unknown - ProcedureContractResult [Line: 31]: Procedure Contract for isnan_double Derived contract for procedure isnan_double: 1 - ProcedureContractResult [Line: 33]: Procedure Contract for isfinite_double Derived contract for procedure isfinite_double: 1 - ProcedureContractResult [Line: 16]: Procedure Contract for isinf_double Derived contract for procedure isinf_double: 1 - ProcedureContractResult [Line: 43]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 142 SDtfs, 42 SDslu, 193 SDs, 0 SdLazy, 182 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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, 79 LocationsWithAnnotation, 113 PreInvPairs, 172 NumberOfFragments, 226 HoareAnnotationTreeSize, 113 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 79 FomulaSimplificationsInter, 151 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...