/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:38:32,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:38:32,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:38:32,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:38:32,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:38:32,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:38:32,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:38:32,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:38:32,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:38:32,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:38:32,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:38:32,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:38:32,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:38:32,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:38:32,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:38:32,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:38:32,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:38:32,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:38:32,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:38:32,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:38:32,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:38:32,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:38:32,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:38:32,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:38:32,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:38:32,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:38:32,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:38:32,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:38:32,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:38:32,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-18 04:38:32,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:38:32,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:38:32,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:38:32,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:38:32,878 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:38:32,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:38:32,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:38:32,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:38:32,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:38:32,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:38:32,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:38:32,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:38:32,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:38:32,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:38:32,881 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:38:32,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:38:32,881 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:38:32,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:38:32,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:38:32,883 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:38:32,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:38:32,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:38:32,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:38:32,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:38:32,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:38:32,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:38:32,884 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 04:38:33,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:38:33,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:38:33,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:38:33,245 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:38:33,245 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:38:33,246 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032a.c [2020-07-18 04:38:33,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265334314/77a6d5536f1e4101b9d239d3a259b6ac/FLAGbe0186226 [2020-07-18 04:38:33,790 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:38:33,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1032a.c [2020-07-18 04:38:33,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265334314/77a6d5536f1e4101b9d239d3a259b6ac/FLAGbe0186226 [2020-07-18 04:38:34,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265334314/77a6d5536f1e4101b9d239d3a259b6ac [2020-07-18 04:38:34,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:38:34,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:38:34,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:34,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:38:34,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:38:34,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:34" (1/1) ... [2020-07-18 04:38:34,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354d87e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34, skipping insertion in model container [2020-07-18 04:38:34,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:34" (1/1) ... [2020-07-18 04:38:34,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:38:34,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:38:34,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:34,416 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:38:34,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:34,567 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:38:34,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34 WrapperNode [2020-07-18 04:38:34,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:34,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:38:34,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:38:34,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:38:34,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34" (1/1) ... [2020-07-18 04:38:34,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34" (1/1) ... [2020-07-18 04:38:34,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34" (1/1) ... [2020-07-18 04:38:34,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34" (1/1) ... [2020-07-18 04:38:34,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34" (1/1) ... [2020-07-18 04:38:34,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34" (1/1) ... [2020-07-18 04:38:34,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34" (1/1) ... [2020-07-18 04:38:34,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:38:34,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:38:34,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:38:34,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:38:34,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34" (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 [2020-07-18 04:38:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:38:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:38:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-18 04:38:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure round_double [2020-07-18 04:38:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-18 04:38:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:38:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:38:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-18 04:38:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure round_double [2020-07-18 04:38:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 04:38:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 04:38:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 04:38:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 04:38:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 04:38:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 04:38:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-18 04:38:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:38:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:38:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:38:35,353 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:38:35,354 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-18 04:38:35,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:35 BoogieIcfgContainer [2020-07-18 04:38:35,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:38:35,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:38:35,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:38:35,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:38:35,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:38:34" (1/3) ... [2020-07-18 04:38:35,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793492bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:35, skipping insertion in model container [2020-07-18 04:38:35,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:34" (2/3) ... [2020-07-18 04:38:35,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793492bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:35, skipping insertion in model container [2020-07-18 04:38:35,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:35" (3/3) ... [2020-07-18 04:38:35,369 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2020-07-18 04:38:35,379 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:38:35,387 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:38:35,400 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:38:35,422 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:38:35,422 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:38:35,422 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:38:35,422 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:38:35,423 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:38:35,423 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:38:35,423 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:38:35,423 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:38:35,440 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2020-07-18 04:38:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-18 04:38:35,453 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:35,454 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] [2020-07-18 04:38:35,454 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:35,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:35,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2016969319, now seen corresponding path program 1 times [2020-07-18 04:38:35,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:35,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788223331] [2020-07-18 04:38:35,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:35,665 INFO L280 TraceCheckUtils]: 0: Hoare triple {126#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {107#true} is VALID [2020-07-18 04:38:35,665 INFO L280 TraceCheckUtils]: 1: Hoare triple {107#true} #valid := #valid[0 := 0]; {107#true} is VALID [2020-07-18 04:38:35,666 INFO L280 TraceCheckUtils]: 2: Hoare triple {107#true} assume 0 < #StackHeapBarrier; {107#true} is VALID [2020-07-18 04:38:35,666 INFO L280 TraceCheckUtils]: 3: Hoare triple {107#true} assume true; {107#true} is VALID [2020-07-18 04:38:35,667 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {107#true} {107#true} #176#return; {107#true} is VALID [2020-07-18 04:38:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:35,696 INFO L280 TraceCheckUtils]: 0: Hoare triple {127#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {107#true} is VALID [2020-07-18 04:38:35,697 INFO L280 TraceCheckUtils]: 1: Hoare triple {107#true} havoc ~msw~0; {107#true} is VALID [2020-07-18 04:38:35,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {107#true} havoc ~exponent_less_1023~0; {107#true} is VALID [2020-07-18 04:38:35,697 INFO L280 TraceCheckUtils]: 3: Hoare triple {107#true} havoc ~lsw~0; {107#true} is VALID [2020-07-18 04:38:35,698 INFO L280 TraceCheckUtils]: 4: Hoare triple {107#true} assume !true; {108#false} is VALID [2020-07-18 04:38:35,699 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {108#false} is VALID [2020-07-18 04:38:35,699 INFO L280 TraceCheckUtils]: 6: Hoare triple {108#false} assume !(~exponent_less_1023~0 < 20); {108#false} is VALID [2020-07-18 04:38:35,700 INFO L280 TraceCheckUtils]: 7: Hoare triple {108#false} assume ~exponent_less_1023~0 > 51; {108#false} is VALID [2020-07-18 04:38:35,700 INFO L280 TraceCheckUtils]: 8: Hoare triple {108#false} assume 1024 == ~exponent_less_1023~0; {108#false} is VALID [2020-07-18 04:38:35,700 INFO L280 TraceCheckUtils]: 9: Hoare triple {108#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {108#false} is VALID [2020-07-18 04:38:35,701 INFO L280 TraceCheckUtils]: 10: Hoare triple {108#false} assume true; {108#false} is VALID [2020-07-18 04:38:35,701 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {108#false} {107#true} #172#return; {108#false} is VALID [2020-07-18 04:38:35,703 INFO L263 TraceCheckUtils]: 0: Hoare triple {107#true} call ULTIMATE.init(); {126#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 04:38:35,704 INFO L280 TraceCheckUtils]: 1: Hoare triple {126#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {107#true} is VALID [2020-07-18 04:38:35,704 INFO L280 TraceCheckUtils]: 2: Hoare triple {107#true} #valid := #valid[0 := 0]; {107#true} is VALID [2020-07-18 04:38:35,704 INFO L280 TraceCheckUtils]: 3: Hoare triple {107#true} assume 0 < #StackHeapBarrier; {107#true} is VALID [2020-07-18 04:38:35,705 INFO L280 TraceCheckUtils]: 4: Hoare triple {107#true} assume true; {107#true} is VALID [2020-07-18 04:38:35,705 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {107#true} {107#true} #176#return; {107#true} is VALID [2020-07-18 04:38:35,705 INFO L263 TraceCheckUtils]: 6: Hoare triple {107#true} call #t~ret11 := main(); {107#true} is VALID [2020-07-18 04:38:35,706 INFO L280 TraceCheckUtils]: 7: Hoare triple {107#true} ~x~0 := 0.0; {107#true} is VALID [2020-07-18 04:38:35,707 INFO L263 TraceCheckUtils]: 8: Hoare triple {107#true} call #t~ret8 := round_double(~x~0); {127#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:38:35,708 INFO L280 TraceCheckUtils]: 9: Hoare triple {127#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {107#true} is VALID [2020-07-18 04:38:35,708 INFO L280 TraceCheckUtils]: 10: Hoare triple {107#true} havoc ~msw~0; {107#true} is VALID [2020-07-18 04:38:35,708 INFO L280 TraceCheckUtils]: 11: Hoare triple {107#true} havoc ~exponent_less_1023~0; {107#true} is VALID [2020-07-18 04:38:35,709 INFO L280 TraceCheckUtils]: 12: Hoare triple {107#true} havoc ~lsw~0; {107#true} is VALID [2020-07-18 04:38:35,712 INFO L280 TraceCheckUtils]: 13: Hoare triple {107#true} assume !true; {108#false} is VALID [2020-07-18 04:38:35,713 INFO L280 TraceCheckUtils]: 14: Hoare triple {108#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {108#false} is VALID [2020-07-18 04:38:35,713 INFO L280 TraceCheckUtils]: 15: Hoare triple {108#false} assume !(~exponent_less_1023~0 < 20); {108#false} is VALID [2020-07-18 04:38:35,713 INFO L280 TraceCheckUtils]: 16: Hoare triple {108#false} assume ~exponent_less_1023~0 > 51; {108#false} is VALID [2020-07-18 04:38:35,714 INFO L280 TraceCheckUtils]: 17: Hoare triple {108#false} assume 1024 == ~exponent_less_1023~0; {108#false} is VALID [2020-07-18 04:38:35,714 INFO L280 TraceCheckUtils]: 18: Hoare triple {108#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {108#false} is VALID [2020-07-18 04:38:35,714 INFO L280 TraceCheckUtils]: 19: Hoare triple {108#false} assume true; {108#false} is VALID [2020-07-18 04:38:35,715 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {108#false} {107#true} #172#return; {108#false} is VALID [2020-07-18 04:38:35,715 INFO L280 TraceCheckUtils]: 21: Hoare triple {108#false} ~res~0 := #t~ret8; {108#false} is VALID [2020-07-18 04:38:35,715 INFO L280 TraceCheckUtils]: 22: Hoare triple {108#false} havoc #t~ret8; {108#false} is VALID [2020-07-18 04:38:35,716 INFO L280 TraceCheckUtils]: 23: Hoare triple {108#false} #t~short10 := ~someBinaryDOUBLEComparisonOperation(~res~0, 0.0); {108#false} is VALID [2020-07-18 04:38:35,716 INFO L280 TraceCheckUtils]: 24: Hoare triple {108#false} assume !#t~short10; {108#false} is VALID [2020-07-18 04:38:35,716 INFO L280 TraceCheckUtils]: 25: Hoare triple {108#false} assume !#t~short10; {108#false} is VALID [2020-07-18 04:38:35,717 INFO L280 TraceCheckUtils]: 26: Hoare triple {108#false} havoc #t~short10; {108#false} is VALID [2020-07-18 04:38:35,717 INFO L280 TraceCheckUtils]: 27: Hoare triple {108#false} havoc #t~ret9; {108#false} is VALID [2020-07-18 04:38:35,717 INFO L280 TraceCheckUtils]: 28: Hoare triple {108#false} assume !false; {108#false} is VALID [2020-07-18 04:38:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:38:35,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788223331] [2020-07-18 04:38:35,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:38:35,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 04:38:35,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583939426] [2020-07-18 04:38:35,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-07-18 04:38:35,734 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:38:35,738 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 04:38:35,785 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:35,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 04:38:35,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:38:35,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 04:38:35,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 04:38:35,796 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 4 states. [2020-07-18 04:38:36,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:36,470 INFO L93 Difference]: Finished difference Result 194 states and 225 transitions. [2020-07-18 04:38:36,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 04:38:36,471 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-07-18 04:38:36,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:38:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 225 transitions. [2020-07-18 04:38:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:36,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 225 transitions. [2020-07-18 04:38:36,495 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 225 transitions. [2020-07-18 04:38:36,770 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 225 edges. 225 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:36,787 INFO L225 Difference]: With dead ends: 194 [2020-07-18 04:38:36,788 INFO L226 Difference]: Without dead ends: 96 [2020-07-18 04:38:36,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 04:38:36,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-18 04:38:36,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-07-18 04:38:36,914 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:38:36,915 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand 96 states. [2020-07-18 04:38:36,916 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 96 states. [2020-07-18 04:38:36,916 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 96 states. [2020-07-18 04:38:36,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:36,924 INFO L93 Difference]: Finished difference Result 96 states and 104 transitions. [2020-07-18 04:38:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2020-07-18 04:38:36,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:36,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:36,926 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 96 states. [2020-07-18 04:38:36,926 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 96 states. [2020-07-18 04:38:36,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:36,934 INFO L93 Difference]: Finished difference Result 96 states and 104 transitions. [2020-07-18 04:38:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2020-07-18 04:38:36,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:36,935 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:36,935 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:38:36,936 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:38:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-18 04:38:36,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2020-07-18 04:38:36,942 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 29 [2020-07-18 04:38:36,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:38:36,943 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2020-07-18 04:38:36,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 04:38:36,943 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 96 states and 104 transitions. [2020-07-18 04:38:37,052 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2020-07-18 04:38:37,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-18 04:38:37,054 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:37,055 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] [2020-07-18 04:38:37,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:38:37,055 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:37,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:37,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1112139357, now seen corresponding path program 1 times [2020-07-18 04:38:37,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:37,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896663179] [2020-07-18 04:38:37,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:38:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:38:37,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:38:37,216 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.map(Model.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.add(ModelBuilder.java:123) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.fillInFunctions(ModelBuilder.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.(ModelBuilder.java:49) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.fillInModel(CClosure.java:1312) at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.(Model.java:120) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.buildModel(SMTInterpol.java:1139) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1004) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.getValues(SmtUtils.java:2102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.getValue(TraceCheck.java:407) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.lambda$0(TraceCheck.java:381) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecution(TraceCheck.java:390) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:349) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 04:38:37,223 INFO L168 Benchmark]: Toolchain (without parser) took 3071.14 ms. Allocated memory was 145.8 MB in the beginning and 248.0 MB in the end (delta: 102.2 MB). Free memory was 103.8 MB in the beginning and 176.6 MB in the end (delta: -72.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:37,225 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:38:37,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.39 ms. Allocated memory was 145.8 MB in the beginning and 200.3 MB in the end (delta: 54.5 MB). Free memory was 103.3 MB in the beginning and 179.2 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:37,227 INFO L168 Benchmark]: Boogie Preprocessor took 60.58 ms. Allocated memory is still 200.3 MB. Free memory was 179.2 MB in the beginning and 176.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:37,229 INFO L168 Benchmark]: RCFGBuilder took 731.49 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 132.4 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:37,230 INFO L168 Benchmark]: TraceAbstraction took 1856.81 ms. Allocated memory was 200.3 MB in the beginning and 248.0 MB in the end (delta: 47.7 MB). Free memory was 131.7 MB in the beginning and 176.6 MB in the end (delta: -44.9 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:37,240 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 415.39 ms. Allocated memory was 145.8 MB in the beginning and 200.3 MB in the end (delta: 54.5 MB). Free memory was 103.3 MB in the beginning and 179.2 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.58 ms. Allocated memory is still 200.3 MB. Free memory was 179.2 MB in the beginning and 176.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 731.49 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 132.4 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1856.81 ms. Allocated memory was 200.3 MB in the beginning and 248.0 MB in the end (delta: 47.7 MB). Free memory was 131.7 MB in the beginning and 176.6 MB in the end (delta: -44.9 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...