/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/float_req_bl_1012b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:33:07,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:33:07,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:33:07,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:33:07,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:33:07,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:33:07,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:33:07,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:33:07,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:33:07,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:33:07,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:33:07,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:33:07,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:33:07,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:33:07,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:33:07,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:33:07,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:33:07,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:33:07,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:33:07,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:33:07,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:33:07,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:33:07,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:33:07,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:33:07,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:33:07,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:33:07,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:33:07,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:33:07,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:33:07,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:33:07,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:33:07,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:33:07,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:33:07,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:33:07,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:33:07,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:33:07,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:33:07,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:33:07,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:33:07,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:33:07,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:33:07,312 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 00:33:07,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:33:07,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:33:07,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:33:07,344 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:33:07,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:33:07,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:33:07,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:33:07,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:33:07,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:33:07,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:33:07,348 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:33:07,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:33:07,348 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:33:07,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:33:07,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:33:07,349 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:33:07,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:33:07,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:33:07,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:33:07,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:33:07,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:33:07,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:33:07,352 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 00:33:07,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:33:07,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:33:07,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:33:07,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:33:07,694 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:33:07,694 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1012b.c [2020-07-11 00:33:07,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab60bfd0c/9f3cdbe9d4c043d7966f4300ab2b39aa/FLAG8a85e5b52 [2020-07-11 00:33:08,210 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:33:08,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1012b.c [2020-07-11 00:33:08,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab60bfd0c/9f3cdbe9d4c043d7966f4300ab2b39aa/FLAG8a85e5b52 [2020-07-11 00:33:08,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab60bfd0c/9f3cdbe9d4c043d7966f4300ab2b39aa [2020-07-11 00:33:08,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:33:08,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:33:08,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:33:08,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:33:08,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:33:08,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:33:08" (1/1) ... [2020-07-11 00:33:08,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5785b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08, skipping insertion in model container [2020-07-11 00:33:08,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:33:08" (1/1) ... [2020-07-11 00:33:08,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:33:08,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:33:08,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:33:08,853 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:33:08,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:33:08,901 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:33:08,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08 WrapperNode [2020-07-11 00:33:08,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:33:08,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:33:08,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:33:08,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:33:08,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08" (1/1) ... [2020-07-11 00:33:08,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08" (1/1) ... [2020-07-11 00:33:09,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08" (1/1) ... [2020-07-11 00:33:09,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08" (1/1) ... [2020-07-11 00:33:09,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08" (1/1) ... [2020-07-11 00:33:09,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08" (1/1) ... [2020-07-11 00:33:09,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08" (1/1) ... [2020-07-11 00:33:09,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:33:09,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:33:09,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:33:09,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:33:09,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08" (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 00:33:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:33:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:33:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-07-11 00:33:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-11 00:33:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:33:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:33:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-07-11 00:33:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 00:33:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-11 00:33:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 00:33:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 00:33:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 00:33:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-11 00:33:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-11 00:33:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:33:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:33:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:33:09,502 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:33:09,502 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-11 00:33:09,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:33:09 BoogieIcfgContainer [2020-07-11 00:33:09,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:33:09,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:33:09,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:33:09,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:33:09,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:33:08" (1/3) ... [2020-07-11 00:33:09,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc21766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:33:09, skipping insertion in model container [2020-07-11 00:33:09,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:33:08" (2/3) ... [2020-07-11 00:33:09,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc21766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:33:09, skipping insertion in model container [2020-07-11 00:33:09,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:33:09" (3/3) ... [2020-07-11 00:33:09,515 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012b.c [2020-07-11 00:33:09,525 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:33:09,533 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:33:09,547 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:33:09,569 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:33:09,570 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:33:09,570 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:33:09,570 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:33:09,570 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:33:09,571 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:33:09,571 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:33:09,571 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:33:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-11 00:33:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-11 00:33:09,600 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:33:09,601 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] [2020-07-11 00:33:09,602 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:33:09,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:33:09,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1851120069, now seen corresponding path program 1 times [2020-07-11 00:33:09,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:33:09,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294354920] [2020-07-11 00:33:09,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:33:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:33:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:33:09,814 INFO L280 TraceCheckUtils]: 0: Hoare triple {89#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {68#true} is VALID [2020-07-11 00:33:09,815 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} #valid := #valid[0 := 0]; {68#true} is VALID [2020-07-11 00:33:09,816 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume 0 < #StackHeapBarrier; {68#true} is VALID [2020-07-11 00:33:09,816 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-11 00:33:09,817 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {68#true} {68#true} #93#return; {68#true} is VALID [2020-07-11 00:33:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:33:09,852 INFO L280 TraceCheckUtils]: 0: Hoare triple {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {68#true} is VALID [2020-07-11 00:33:09,853 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} havoc ~ix~0; {68#true} is VALID [2020-07-11 00:33:09,854 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-11 00:33:09,855 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#false} assume !true; {69#false} is VALID [2020-07-11 00:33:09,855 INFO L280 TraceCheckUtils]: 4: Hoare triple {69#false} #res := ~x; {69#false} is VALID [2020-07-11 00:33:09,856 INFO L280 TraceCheckUtils]: 5: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-11 00:33:09,856 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {69#false} {68#true} #97#return; {69#false} is VALID [2020-07-11 00:33:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:33:09,869 INFO L280 TraceCheckUtils]: 0: Hoare triple {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {68#true} is VALID [2020-07-11 00:33:09,869 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} havoc ~ix~1; {68#true} is VALID [2020-07-11 00:33:09,870 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-11 00:33:09,871 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {69#false} is VALID [2020-07-11 00:33:09,871 INFO L280 TraceCheckUtils]: 4: Hoare triple {69#false} #res := (if 2139095040 == ~ix~1 then 1 else 0); {69#false} is VALID [2020-07-11 00:33:09,872 INFO L280 TraceCheckUtils]: 5: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-11 00:33:09,872 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {69#false} {69#false} #99#return; {69#false} is VALID [2020-07-11 00:33:09,875 INFO L263 TraceCheckUtils]: 0: Hoare triple {68#true} call ULTIMATE.init(); {89#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 00:33:09,875 INFO L280 TraceCheckUtils]: 1: Hoare triple {89#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {68#true} is VALID [2020-07-11 00:33:09,876 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} #valid := #valid[0 := 0]; {68#true} is VALID [2020-07-11 00:33:09,876 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} assume 0 < #StackHeapBarrier; {68#true} is VALID [2020-07-11 00:33:09,877 INFO L280 TraceCheckUtils]: 4: Hoare triple {68#true} assume true; {68#true} is VALID [2020-07-11 00:33:09,877 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {68#true} {68#true} #93#return; {68#true} is VALID [2020-07-11 00:33:09,877 INFO L263 TraceCheckUtils]: 6: Hoare triple {68#true} call #t~ret8 := main(); {68#true} is VALID [2020-07-11 00:33:09,878 INFO L280 TraceCheckUtils]: 7: Hoare triple {68#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); {68#true} is VALID [2020-07-11 00:33:09,881 INFO L263 TraceCheckUtils]: 8: Hoare triple {68#true} call #t~ret6 := fabs_float(~x~0); {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-11 00:33:09,881 INFO L280 TraceCheckUtils]: 9: Hoare triple {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {68#true} is VALID [2020-07-11 00:33:09,882 INFO L280 TraceCheckUtils]: 10: Hoare triple {68#true} havoc ~ix~0; {68#true} is VALID [2020-07-11 00:33:09,883 INFO L280 TraceCheckUtils]: 11: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-11 00:33:09,883 INFO L280 TraceCheckUtils]: 12: Hoare triple {69#false} assume !true; {69#false} is VALID [2020-07-11 00:33:09,884 INFO L280 TraceCheckUtils]: 13: Hoare triple {69#false} #res := ~x; {69#false} is VALID [2020-07-11 00:33:09,884 INFO L280 TraceCheckUtils]: 14: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-11 00:33:09,885 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {69#false} {68#true} #97#return; {69#false} is VALID [2020-07-11 00:33:09,885 INFO L280 TraceCheckUtils]: 16: Hoare triple {69#false} ~res~0 := #t~ret6; {69#false} is VALID [2020-07-11 00:33:09,886 INFO L280 TraceCheckUtils]: 17: Hoare triple {69#false} havoc #t~ret6; {69#false} is VALID [2020-07-11 00:33:09,886 INFO L263 TraceCheckUtils]: 18: Hoare triple {69#false} call #t~ret7 := isinf_float(~res~0); {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-11 00:33:09,887 INFO L280 TraceCheckUtils]: 19: Hoare triple {90#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {68#true} is VALID [2020-07-11 00:33:09,887 INFO L280 TraceCheckUtils]: 20: Hoare triple {68#true} havoc ~ix~1; {68#true} is VALID [2020-07-11 00:33:09,888 INFO L280 TraceCheckUtils]: 21: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-11 00:33:09,888 INFO L280 TraceCheckUtils]: 22: Hoare triple {69#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {69#false} is VALID [2020-07-11 00:33:09,889 INFO L280 TraceCheckUtils]: 23: Hoare triple {69#false} #res := (if 2139095040 == ~ix~1 then 1 else 0); {69#false} is VALID [2020-07-11 00:33:09,889 INFO L280 TraceCheckUtils]: 24: Hoare triple {69#false} assume true; {69#false} is VALID [2020-07-11 00:33:09,890 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {69#false} {69#false} #99#return; {69#false} is VALID [2020-07-11 00:33:09,890 INFO L280 TraceCheckUtils]: 26: Hoare triple {69#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {69#false} is VALID [2020-07-11 00:33:09,891 INFO L280 TraceCheckUtils]: 27: Hoare triple {69#false} assume 0 == #t~ret7; {69#false} is VALID [2020-07-11 00:33:09,891 INFO L280 TraceCheckUtils]: 28: Hoare triple {69#false} havoc #t~ret7; {69#false} is VALID [2020-07-11 00:33:09,891 INFO L280 TraceCheckUtils]: 29: Hoare triple {69#false} assume !false; {69#false} is VALID [2020-07-11 00:33:09,897 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 00:33:09,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1294354920] [2020-07-11 00:33:09,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:33:09,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 00:33:09,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888355430] [2020-07-11 00:33:09,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-07-11 00:33:09,914 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:33:09,918 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 00:33:09,985 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:33:09,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 00:33:09,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:33:09,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 00:33:09,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 00:33:09,998 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 4 states. [2020-07-11 00:33:10,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:33:10,533 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2020-07-11 00:33:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 00:33:10,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-07-11 00:33:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:33:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:33:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 131 transitions. [2020-07-11 00:33:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:33:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 131 transitions. [2020-07-11 00:33:10,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 131 transitions. [2020-07-11 00:33:10,713 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:33:10,728 INFO L225 Difference]: With dead ends: 118 [2020-07-11 00:33:10,728 INFO L226 Difference]: Without dead ends: 58 [2020-07-11 00:33:10,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 00:33:10,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-07-11 00:33:10,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-07-11 00:33:10,817 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:33:10,817 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand 58 states. [2020-07-11 00:33:10,818 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 58 states. [2020-07-11 00:33:10,818 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 58 states. [2020-07-11 00:33:10,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:33:10,825 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2020-07-11 00:33:10,825 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2020-07-11 00:33:10,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:33:10,826 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:33:10,827 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 58 states. [2020-07-11 00:33:10,827 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 58 states. [2020-07-11 00:33:10,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:33:10,834 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2020-07-11 00:33:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2020-07-11 00:33:10,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:33:10,838 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:33:10,839 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:33:10,839 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:33:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-07-11 00:33:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 57 transitions. [2020-07-11 00:33:10,854 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 57 transitions. Word has length 30 [2020-07-11 00:33:10,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:33:10,855 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 57 transitions. [2020-07-11 00:33:10,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 00:33:10,855 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 58 states and 57 transitions. [2020-07-11 00:33:10,944 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:33:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2020-07-11 00:33:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-11 00:33:10,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:33:10,948 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] [2020-07-11 00:33:10,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:33:10,949 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:33:10,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:33:10,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1434482942, now seen corresponding path program 1 times [2020-07-11 00:33:10,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:33:10,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1528598519] [2020-07-11 00:33:10,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:33:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:33:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:33:11,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:33:11,255 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 00:33:11,261 INFO L168 Benchmark]: Toolchain (without parser) took 2666.63 ms. Allocated memory was 138.9 MB in the beginning and 235.9 MB in the end (delta: 97.0 MB). Free memory was 104.3 MB in the beginning and 112.5 MB in the end (delta: -8.2 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:11,262 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 138.9 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-11 00:33:11,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.22 ms. Allocated memory is still 138.9 MB. Free memory was 104.1 MB in the beginning and 93.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:11,264 INFO L168 Benchmark]: Boogie Preprocessor took 126.87 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 179.3 MB in the end (delta: -86.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:11,265 INFO L168 Benchmark]: RCFGBuilder took 477.09 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 150.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:11,266 INFO L168 Benchmark]: TraceAbstraction took 1750.46 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 149.5 MB in the beginning and 112.5 MB in the end (delta: 37.0 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2020-07-11 00:33:11,270 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 0.95 ms. Allocated memory is still 138.9 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.22 ms. Allocated memory is still 138.9 MB. Free memory was 104.1 MB in the beginning and 93.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.87 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 93.2 MB in the beginning and 179.3 MB in the end (delta: -86.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 477.09 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 150.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1750.46 ms. Allocated memory was 201.9 MB in the beginning and 235.9 MB in the end (delta: 34.1 MB). Free memory was 149.5 MB in the beginning and 112.5 MB in the end (delta: 37.0 MB). Peak memory consumption was 71.1 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...