/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_1072c.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:32:37,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:32:37,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:32:37,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:32:37,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:32:37,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:32:37,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:32:37,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:32:37,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:32:37,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:32:37,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:32:37,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:32:37,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:32:37,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:32:37,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:32:37,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:32:37,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:32:37,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:32:37,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:32:37,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:32:37,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:32:37,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:32:37,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:32:37,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:32:37,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:32:37,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:32:37,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:32:37,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:32:37,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:32:37,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:32:37,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:32:37,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:32:37,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:32:37,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:32:37,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:32:37,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:32:37,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:32:37,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:32:37,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:32:37,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:32:37,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:32:37,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 00:32:37,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:32:37,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:32:37,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:32:37,506 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:32:37,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:32:37,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:32:37,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:32:37,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:32:37,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:32:37,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:32:37,508 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:32:37,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:32:37,508 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:32:37,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:32:37,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:32:37,509 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:32:37,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:32:37,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:32:37,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:32:37,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:32:37,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:32:37,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:32:37,510 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 [2020-07-11 00:32:37,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:32:37,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:32:37,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:32:37,778 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:32:37,778 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:32:37,779 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1072c.c [2020-07-11 00:32:37,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c54f447/ca90834629c94d329008e67c6eac7db0/FLAGb99ade82c [2020-07-11 00:32:38,276 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:32:38,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1072c.c [2020-07-11 00:32:38,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c54f447/ca90834629c94d329008e67c6eac7db0/FLAGb99ade82c [2020-07-11 00:32:38,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c54f447/ca90834629c94d329008e67c6eac7db0 [2020-07-11 00:32:38,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:32:38,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:32:38,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:38,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:32:38,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:32:38,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:38" (1/1) ... [2020-07-11 00:32:38,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cac8201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:38, skipping insertion in model container [2020-07-11 00:32:38,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:38" (1/1) ... [2020-07-11 00:32:38,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:32:38,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:32:38,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:38,979 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:32:39,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:39,136 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:32:39,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39 WrapperNode [2020-07-11 00:32:39,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:39,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:32:39,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:32:39,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:32:39,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39" (1/1) ... [2020-07-11 00:32:39,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39" (1/1) ... [2020-07-11 00:32:39,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39" (1/1) ... [2020-07-11 00:32:39,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39" (1/1) ... [2020-07-11 00:32:39,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39" (1/1) ... [2020-07-11 00:32:39,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39" (1/1) ... [2020-07-11 00:32:39,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39" (1/1) ... [2020-07-11 00:32:39,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:32:39,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:32:39,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:32:39,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:32:39,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39" (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 [2020-07-11 00:32:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:32:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:32:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-11 00:32:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2020-07-11 00:32:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-11 00:32:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:32:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:32:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-11 00:32:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2020-07-11 00:32:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 00:32:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-11 00:32:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 00:32:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 00:32:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 00:32:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-11 00:32:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-11 00:32:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:32:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:32:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:32:39,885 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:32:39,885 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-11 00:32:39,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:39 BoogieIcfgContainer [2020-07-11 00:32:39,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:32:39,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:32:39,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:32:39,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:32:39,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:32:38" (1/3) ... [2020-07-11 00:32:39,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e249c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:39, skipping insertion in model container [2020-07-11 00:32:39,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:39" (2/3) ... [2020-07-11 00:32:39,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e249c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:39, skipping insertion in model container [2020-07-11 00:32:39,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:39" (3/3) ... [2020-07-11 00:32:39,899 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2020-07-11 00:32:39,909 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:32:39,917 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:32:39,931 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:32:39,953 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:32:39,953 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:32:39,953 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:32:39,953 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:32:39,954 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:32:39,954 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:32:39,954 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:32:39,954 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:32:39,972 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-07-11 00:32:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-11 00:32:39,988 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:39,989 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] [2020-07-11 00:32:39,989 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:39,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:39,996 INFO L82 PathProgramCache]: Analyzing trace with hash -752135517, now seen corresponding path program 1 times [2020-07-11 00:32:40,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:40,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358773776] [2020-07-11 00:32:40,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:40,235 INFO L280 TraceCheckUtils]: 0: Hoare triple {134#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {113#true} is VALID [2020-07-11 00:32:40,235 INFO L280 TraceCheckUtils]: 1: Hoare triple {113#true} #valid := #valid[0 := 0]; {113#true} is VALID [2020-07-11 00:32:40,236 INFO L280 TraceCheckUtils]: 2: Hoare triple {113#true} assume 0 < #StackHeapBarrier; {113#true} is VALID [2020-07-11 00:32:40,236 INFO L280 TraceCheckUtils]: 3: Hoare triple {113#true} assume true; {113#true} is VALID [2020-07-11 00:32:40,237 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {113#true} {113#true} #186#return; {113#true} is VALID [2020-07-11 00:32:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:40,269 INFO L280 TraceCheckUtils]: 0: Hoare triple {135#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {113#true} is VALID [2020-07-11 00:32:40,270 INFO L280 TraceCheckUtils]: 1: Hoare triple {113#true} havoc ~signbit~0; {113#true} is VALID [2020-07-11 00:32:40,270 INFO L280 TraceCheckUtils]: 2: Hoare triple {113#true} havoc ~msw~0; {113#true} is VALID [2020-07-11 00:32:40,270 INFO L280 TraceCheckUtils]: 3: Hoare triple {113#true} havoc ~lsw~0; {113#true} is VALID [2020-07-11 00:32:40,271 INFO L280 TraceCheckUtils]: 4: Hoare triple {113#true} havoc ~exponent_less_1023~0; {113#true} is VALID [2020-07-11 00:32:40,272 INFO L280 TraceCheckUtils]: 5: Hoare triple {113#true} assume !true; {114#false} is VALID [2020-07-11 00:32:40,272 INFO L280 TraceCheckUtils]: 6: Hoare triple {114#false} ~signbit~0 := (if ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); {114#false} is VALID [2020-07-11 00:32:40,273 INFO L280 TraceCheckUtils]: 7: Hoare triple {114#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {114#false} is VALID [2020-07-11 00:32:40,273 INFO L280 TraceCheckUtils]: 8: Hoare triple {114#false} assume ~exponent_less_1023~0 < 20; {114#false} is VALID [2020-07-11 00:32:40,273 INFO L280 TraceCheckUtils]: 9: Hoare triple {114#false} assume !(~exponent_less_1023~0 < 0); {114#false} is VALID [2020-07-11 00:32:40,274 INFO L280 TraceCheckUtils]: 10: Hoare triple {114#false} assume !true; {114#false} is VALID [2020-07-11 00:32:40,274 INFO L280 TraceCheckUtils]: 11: Hoare triple {114#false} #res := ~x; {114#false} is VALID [2020-07-11 00:32:40,274 INFO L280 TraceCheckUtils]: 12: Hoare triple {114#false} assume true; {114#false} is VALID [2020-07-11 00:32:40,275 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {114#false} {113#true} #182#return; {114#false} is VALID [2020-07-11 00:32:40,277 INFO L263 TraceCheckUtils]: 0: Hoare triple {113#true} call ULTIMATE.init(); {134#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 00:32:40,278 INFO L280 TraceCheckUtils]: 1: Hoare triple {134#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {113#true} is VALID [2020-07-11 00:32:40,278 INFO L280 TraceCheckUtils]: 2: Hoare triple {113#true} #valid := #valid[0 := 0]; {113#true} is VALID [2020-07-11 00:32:40,278 INFO L280 TraceCheckUtils]: 3: Hoare triple {113#true} assume 0 < #StackHeapBarrier; {113#true} is VALID [2020-07-11 00:32:40,279 INFO L280 TraceCheckUtils]: 4: Hoare triple {113#true} assume true; {113#true} is VALID [2020-07-11 00:32:40,279 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {113#true} {113#true} #186#return; {113#true} is VALID [2020-07-11 00:32:40,279 INFO L263 TraceCheckUtils]: 6: Hoare triple {113#true} call #t~ret15 := main(); {113#true} is VALID [2020-07-11 00:32:40,280 INFO L280 TraceCheckUtils]: 7: Hoare triple {113#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {113#true} is VALID [2020-07-11 00:32:40,282 INFO L263 TraceCheckUtils]: 8: Hoare triple {113#true} call #t~ret12 := trunc_double(~x~0); {135#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-11 00:32:40,282 INFO L280 TraceCheckUtils]: 9: Hoare triple {135#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {113#true} is VALID [2020-07-11 00:32:40,282 INFO L280 TraceCheckUtils]: 10: Hoare triple {113#true} havoc ~signbit~0; {113#true} is VALID [2020-07-11 00:32:40,283 INFO L280 TraceCheckUtils]: 11: Hoare triple {113#true} havoc ~msw~0; {113#true} is VALID [2020-07-11 00:32:40,283 INFO L280 TraceCheckUtils]: 12: Hoare triple {113#true} havoc ~lsw~0; {113#true} is VALID [2020-07-11 00:32:40,284 INFO L280 TraceCheckUtils]: 13: Hoare triple {113#true} havoc ~exponent_less_1023~0; {113#true} is VALID [2020-07-11 00:32:40,284 INFO L280 TraceCheckUtils]: 14: Hoare triple {113#true} assume !true; {114#false} is VALID [2020-07-11 00:32:40,285 INFO L280 TraceCheckUtils]: 15: Hoare triple {114#false} ~signbit~0 := (if ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); {114#false} is VALID [2020-07-11 00:32:40,285 INFO L280 TraceCheckUtils]: 16: Hoare triple {114#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {114#false} is VALID [2020-07-11 00:32:40,286 INFO L280 TraceCheckUtils]: 17: Hoare triple {114#false} assume ~exponent_less_1023~0 < 20; {114#false} is VALID [2020-07-11 00:32:40,286 INFO L280 TraceCheckUtils]: 18: Hoare triple {114#false} assume !(~exponent_less_1023~0 < 0); {114#false} is VALID [2020-07-11 00:32:40,286 INFO L280 TraceCheckUtils]: 19: Hoare triple {114#false} assume !true; {114#false} is VALID [2020-07-11 00:32:40,287 INFO L280 TraceCheckUtils]: 20: Hoare triple {114#false} #res := ~x; {114#false} is VALID [2020-07-11 00:32:40,287 INFO L280 TraceCheckUtils]: 21: Hoare triple {114#false} assume true; {114#false} is VALID [2020-07-11 00:32:40,287 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {114#false} {113#true} #182#return; {114#false} is VALID [2020-07-11 00:32:40,288 INFO L280 TraceCheckUtils]: 23: Hoare triple {114#false} ~res~0 := #t~ret12; {114#false} is VALID [2020-07-11 00:32:40,288 INFO L280 TraceCheckUtils]: 24: Hoare triple {114#false} havoc #t~ret12; {114#false} is VALID [2020-07-11 00:32:40,288 INFO L280 TraceCheckUtils]: 25: Hoare triple {114#false} #t~short14 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {114#false} is VALID [2020-07-11 00:32:40,289 INFO L280 TraceCheckUtils]: 26: Hoare triple {114#false} assume !#t~short14; {114#false} is VALID [2020-07-11 00:32:40,289 INFO L280 TraceCheckUtils]: 27: Hoare triple {114#false} assume !#t~short14; {114#false} is VALID [2020-07-11 00:32:40,289 INFO L280 TraceCheckUtils]: 28: Hoare triple {114#false} havoc #t~ret13; {114#false} is VALID [2020-07-11 00:32:40,290 INFO L280 TraceCheckUtils]: 29: Hoare triple {114#false} havoc #t~short14; {114#false} is VALID [2020-07-11 00:32:40,290 INFO L280 TraceCheckUtils]: 30: Hoare triple {114#false} assume !false; {114#false} is VALID [2020-07-11 00:32:40,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:32:40,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358773776] [2020-07-11 00:32:40,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:32:40,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 00:32:40,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177035152] [2020-07-11 00:32:40,305 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-11 00:32:40,308 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:32:40,312 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 00:32:40,362 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:40,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 00:32:40,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:32:40,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 00:32:40,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 00:32:40,375 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 4 states. [2020-07-11 00:32:41,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:41,094 INFO L93 Difference]: Finished difference Result 205 states and 236 transitions. [2020-07-11 00:32:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 00:32:41,094 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-11 00:32:41,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:32:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 236 transitions. [2020-07-11 00:32:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 236 transitions. [2020-07-11 00:32:41,124 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 236 transitions. [2020-07-11 00:32:41,453 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:41,489 INFO L225 Difference]: With dead ends: 205 [2020-07-11 00:32:41,489 INFO L226 Difference]: Without dead ends: 102 [2020-07-11 00:32:41,494 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 [2020-07-11 00:32:41,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-11 00:32:41,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-07-11 00:32:41,596 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:32:41,597 INFO L82 GeneralOperation]: Start isEquivalent. First operand 102 states. Second operand 102 states. [2020-07-11 00:32:41,598 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand 102 states. [2020-07-11 00:32:41,598 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 102 states. [2020-07-11 00:32:41,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:41,607 INFO L93 Difference]: Finished difference Result 102 states and 106 transitions. [2020-07-11 00:32:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2020-07-11 00:32:41,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:41,609 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:41,609 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand 102 states. [2020-07-11 00:32:41,609 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 102 states. [2020-07-11 00:32:41,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:41,617 INFO L93 Difference]: Finished difference Result 102 states and 106 transitions. [2020-07-11 00:32:41,618 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2020-07-11 00:32:41,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:41,619 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:41,619 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:32:41,620 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:32:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-11 00:32:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 106 transitions. [2020-07-11 00:32:41,627 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 106 transitions. Word has length 31 [2020-07-11 00:32:41,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:32:41,628 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 106 transitions. [2020-07-11 00:32:41,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 00:32:41,628 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 102 states and 106 transitions. [2020-07-11 00:32:41,751 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2020-07-11 00:32:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-11 00:32:41,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:41,754 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] [2020-07-11 00:32:41,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:32:41,755 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:41,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:41,756 INFO L82 PathProgramCache]: Analyzing trace with hash -34176642, now seen corresponding path program 1 times [2020-07-11 00:32:41,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:41,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560057646] [2020-07-11 00:32:41,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:32:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:32:41,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:32:41,893 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) [2020-07-11 00:32:41,899 INFO L168 Benchmark]: Toolchain (without parser) took 3184.25 ms. Allocated memory was 136.3 MB in the beginning and 251.7 MB in the end (delta: 115.3 MB). Free memory was 100.9 MB in the beginning and 170.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:41,900 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-11 00:32:41,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.55 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 179.7 MB in the end (delta: -79.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:41,902 INFO L168 Benchmark]: Boogie Preprocessor took 57.22 ms. Allocated memory is still 200.8 MB. Free memory was 179.7 MB in the beginning and 176.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:41,903 INFO L168 Benchmark]: RCFGBuilder took 695.93 ms. Allocated memory is still 200.8 MB. Free memory was 176.5 MB in the beginning and 129.2 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:41,904 INFO L168 Benchmark]: TraceAbstraction took 2004.40 ms. Allocated memory was 200.8 MB in the beginning and 251.7 MB in the end (delta: 50.9 MB). Free memory was 128.5 MB in the beginning and 170.5 MB in the end (delta: -42.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:41,908 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 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 419.55 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 179.7 MB in the end (delta: -79.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.22 ms. Allocated memory is still 200.8 MB. Free memory was 179.7 MB in the beginning and 176.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 695.93 ms. Allocated memory is still 200.8 MB. Free memory was 176.5 MB in the beginning and 129.2 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2004.40 ms. Allocated memory was 200.8 MB in the beginning and 251.7 MB in the end (delta: 50.9 MB). Free memory was 128.5 MB in the beginning and 170.5 MB in the end (delta: -42.0 MB). Peak memory consumption was 8.9 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...