/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:39,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:39,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:39,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:39,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:39,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:39,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:39,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:39,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:39,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:39,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:39,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:39,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:39,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:39,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:39,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:39,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:39,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:39,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:39,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:39,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:39,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:39,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:39,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:39,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:13:39,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:13:39,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:13:39,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:13:39,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:13:39,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:13:39,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:13:39,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:13:39,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:13:39,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:39,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:39,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:39,137 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 00:13:39,149 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:39,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:39,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:39,151 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:39,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:39,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:39,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:39,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:39,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:39,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:39,153 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:39,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:39,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:39,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:39,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:39,155 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:39,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:39,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:39,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:39,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:39,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:39,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:39,156 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:39,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:39,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:39,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:39,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:39,457 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:39,458 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c [2020-07-18 00:13:39,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784e49808/468f423b525e416cb7a5efcf386d6040/FLAG77568377f [2020-07-18 00:13:39,974 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:39,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092b.c [2020-07-18 00:13:39,985 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784e49808/468f423b525e416cb7a5efcf386d6040/FLAG77568377f [2020-07-18 00:13:40,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784e49808/468f423b525e416cb7a5efcf386d6040 [2020-07-18 00:13:40,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:40,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:40,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:40,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:40,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:40,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:40" (1/1) ... [2020-07-18 00:13:40,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c50ff9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40, skipping insertion in model container [2020-07-18 00:13:40,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:40" (1/1) ... [2020-07-18 00:13:40,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:40,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:40,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:40,599 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:40,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:40,655 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:40,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40 WrapperNode [2020-07-18 00:13:40,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:40,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:40,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:40,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:40,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40" (1/1) ... [2020-07-18 00:13:40,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40" (1/1) ... [2020-07-18 00:13:40,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40" (1/1) ... [2020-07-18 00:13:40,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40" (1/1) ... [2020-07-18 00:13:40,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40" (1/1) ... [2020-07-18 00:13:40,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40" (1/1) ... [2020-07-18 00:13:40,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40" (1/1) ... [2020-07-18 00:13:40,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:40,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:40,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:40,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:40,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40" (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 00:13:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2020-07-18 00:13:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-18 00:13:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2020-07-18 00:13:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-18 00:13:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:41,453 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:41,453 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-18 00:13:41,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:41 BoogieIcfgContainer [2020-07-18 00:13:41,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:41,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:41,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:41,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:41,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:40" (1/3) ... [2020-07-18 00:13:41,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b47734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:41, skipping insertion in model container [2020-07-18 00:13:41,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:40" (2/3) ... [2020-07-18 00:13:41,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b47734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:41, skipping insertion in model container [2020-07-18 00:13:41,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:41" (3/3) ... [2020-07-18 00:13:41,476 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092b.c [2020-07-18 00:13:41,487 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:41,495 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:41,510 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:41,532 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:41,532 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:41,533 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:41,533 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:41,533 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:41,533 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:41,533 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:41,534 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:41,548 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-07-18 00:13:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-18 00:13:41,559 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:41,559 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] [2020-07-18 00:13:41,560 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:41,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:41,565 INFO L82 PathProgramCache]: Analyzing trace with hash 818160258, now seen corresponding path program 1 times [2020-07-18 00:13:41,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:41,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560988067] [2020-07-18 00:13:41,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:41,809 INFO L280 TraceCheckUtils]: 0: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0; {95#true} is VALID [2020-07-18 00:13:41,810 INFO L280 TraceCheckUtils]: 1: Hoare triple {95#true} #valid := #valid[0 := 0]; {95#true} is VALID [2020-07-18 00:13:41,810 INFO L280 TraceCheckUtils]: 2: Hoare triple {95#true} assume 0 < #StackHeapBarrier; {95#true} is VALID [2020-07-18 00:13:41,811 INFO L280 TraceCheckUtils]: 3: Hoare triple {95#true} ~huge_ceil~0 := 1.0E30; {95#true} is VALID [2020-07-18 00:13:41,812 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-18 00:13:41,812 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {95#true} {95#true} #163#return; {95#true} is VALID [2020-07-18 00:13:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:41,846 INFO L280 TraceCheckUtils]: 0: Hoare triple {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {95#true} is VALID [2020-07-18 00:13:41,846 INFO L280 TraceCheckUtils]: 1: Hoare triple {95#true} havoc ~i0~0; {95#true} is VALID [2020-07-18 00:13:41,846 INFO L280 TraceCheckUtils]: 2: Hoare triple {95#true} havoc ~j0~0; {95#true} is VALID [2020-07-18 00:13:41,847 INFO L280 TraceCheckUtils]: 3: Hoare triple {95#true} havoc ~i~0; {95#true} is VALID [2020-07-18 00:13:41,847 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} havoc ~ix~0; {95#true} is VALID [2020-07-18 00:13:41,848 INFO L280 TraceCheckUtils]: 5: Hoare triple {95#true} assume !true; {96#false} is VALID [2020-07-18 00:13:41,849 INFO L280 TraceCheckUtils]: 6: Hoare triple {96#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); {96#false} is VALID [2020-07-18 00:13:41,849 INFO L280 TraceCheckUtils]: 7: Hoare triple {96#false} ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {96#false} is VALID [2020-07-18 00:13:41,850 INFO L280 TraceCheckUtils]: 8: Hoare triple {96#false} assume !(~j0~0 < 23); {96#false} is VALID [2020-07-18 00:13:41,850 INFO L280 TraceCheckUtils]: 9: Hoare triple {96#false} assume !(~ix~0 % 4294967296 < 2139095040); {96#false} is VALID [2020-07-18 00:13:41,850 INFO L280 TraceCheckUtils]: 10: Hoare triple {96#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {96#false} is VALID [2020-07-18 00:13:41,851 INFO L280 TraceCheckUtils]: 11: Hoare triple {96#false} assume true; {96#false} is VALID [2020-07-18 00:13:41,851 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {96#false} {95#true} #167#return; {96#false} is VALID [2020-07-18 00:13:41,854 INFO L263 TraceCheckUtils]: 0: Hoare triple {95#true} call ULTIMATE.init(); {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} is VALID [2020-07-18 00:13:41,854 INFO L280 TraceCheckUtils]: 1: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0; {95#true} is VALID [2020-07-18 00:13:41,854 INFO L280 TraceCheckUtils]: 2: Hoare triple {95#true} #valid := #valid[0 := 0]; {95#true} is VALID [2020-07-18 00:13:41,855 INFO L280 TraceCheckUtils]: 3: Hoare triple {95#true} assume 0 < #StackHeapBarrier; {95#true} is VALID [2020-07-18 00:13:41,855 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} ~huge_ceil~0 := 1.0E30; {95#true} is VALID [2020-07-18 00:13:41,855 INFO L280 TraceCheckUtils]: 5: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-18 00:13:41,856 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {95#true} {95#true} #163#return; {95#true} is VALID [2020-07-18 00:13:41,856 INFO L263 TraceCheckUtils]: 7: Hoare triple {95#true} call #t~ret9 := main(); {95#true} is VALID [2020-07-18 00:13:41,856 INFO L280 TraceCheckUtils]: 8: Hoare triple {95#true} ~x~0 := 0.0; {95#true} is VALID [2020-07-18 00:13:41,858 INFO L263 TraceCheckUtils]: 9: Hoare triple {95#true} call #t~ret6 := ceil_float(~x~0); {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:41,858 INFO L280 TraceCheckUtils]: 10: Hoare triple {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {95#true} is VALID [2020-07-18 00:13:41,859 INFO L280 TraceCheckUtils]: 11: Hoare triple {95#true} havoc ~i0~0; {95#true} is VALID [2020-07-18 00:13:41,859 INFO L280 TraceCheckUtils]: 12: Hoare triple {95#true} havoc ~j0~0; {95#true} is VALID [2020-07-18 00:13:41,859 INFO L280 TraceCheckUtils]: 13: Hoare triple {95#true} havoc ~i~0; {95#true} is VALID [2020-07-18 00:13:41,860 INFO L280 TraceCheckUtils]: 14: Hoare triple {95#true} havoc ~ix~0; {95#true} is VALID [2020-07-18 00:13:41,861 INFO L280 TraceCheckUtils]: 15: Hoare triple {95#true} assume !true; {96#false} is VALID [2020-07-18 00:13:41,862 INFO L280 TraceCheckUtils]: 16: Hoare triple {96#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); {96#false} is VALID [2020-07-18 00:13:41,862 INFO L280 TraceCheckUtils]: 17: Hoare triple {96#false} ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {96#false} is VALID [2020-07-18 00:13:41,862 INFO L280 TraceCheckUtils]: 18: Hoare triple {96#false} assume !(~j0~0 < 23); {96#false} is VALID [2020-07-18 00:13:41,863 INFO L280 TraceCheckUtils]: 19: Hoare triple {96#false} assume !(~ix~0 % 4294967296 < 2139095040); {96#false} is VALID [2020-07-18 00:13:41,863 INFO L280 TraceCheckUtils]: 20: Hoare triple {96#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {96#false} is VALID [2020-07-18 00:13:41,863 INFO L280 TraceCheckUtils]: 21: Hoare triple {96#false} assume true; {96#false} is VALID [2020-07-18 00:13:41,864 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {96#false} {95#true} #167#return; {96#false} is VALID [2020-07-18 00:13:41,864 INFO L280 TraceCheckUtils]: 23: Hoare triple {96#false} ~res~0 := #t~ret6; {96#false} is VALID [2020-07-18 00:13:41,864 INFO L280 TraceCheckUtils]: 24: Hoare triple {96#false} havoc #t~ret6; {96#false} is VALID [2020-07-18 00:13:41,865 INFO L280 TraceCheckUtils]: 25: Hoare triple {96#false} #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); {96#false} is VALID [2020-07-18 00:13:41,865 INFO L280 TraceCheckUtils]: 26: Hoare triple {96#false} assume !#t~short8; {96#false} is VALID [2020-07-18 00:13:41,865 INFO L280 TraceCheckUtils]: 27: Hoare triple {96#false} assume !#t~short8; {96#false} is VALID [2020-07-18 00:13:41,866 INFO L280 TraceCheckUtils]: 28: Hoare triple {96#false} havoc #t~ret7; {96#false} is VALID [2020-07-18 00:13:41,866 INFO L280 TraceCheckUtils]: 29: Hoare triple {96#false} havoc #t~short8; {96#false} is VALID [2020-07-18 00:13:41,866 INFO L280 TraceCheckUtils]: 30: Hoare triple {96#false} assume !false; {96#false} is VALID [2020-07-18 00:13:41,870 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 00:13:41,873 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:41,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560988067] [2020-07-18 00:13:41,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:41,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 00:13:41,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796008618] [2020-07-18 00:13:41,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-18 00:13:41,886 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:41,890 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 00:13:41,943 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:41,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 00:13:41,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:13:41,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 00:13:41,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 00:13:41,953 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 4 states. [2020-07-18 00:13:42,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:42,622 INFO L93 Difference]: Finished difference Result 168 states and 201 transitions. [2020-07-18 00:13:42,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 00:13:42,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-18 00:13:42,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:13:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:13:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 201 transitions. [2020-07-18 00:13:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:13:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 201 transitions. [2020-07-18 00:13:42,648 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 201 transitions. [2020-07-18 00:13:42,911 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:42,940 INFO L225 Difference]: With dead ends: 168 [2020-07-18 00:13:42,941 INFO L226 Difference]: Without dead ends: 84 [2020-07-18 00:13:42,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 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 00:13:42,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-07-18 00:13:43,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-07-18 00:13:43,086 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:13:43,087 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand 84 states. [2020-07-18 00:13:43,087 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2020-07-18 00:13:43,088 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2020-07-18 00:13:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:43,095 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2020-07-18 00:13:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2020-07-18 00:13:43,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:43,096 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:43,097 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2020-07-18 00:13:43,097 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2020-07-18 00:13:43,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:43,103 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2020-07-18 00:13:43,104 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2020-07-18 00:13:43,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:43,105 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:43,105 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:13:43,105 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:13:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-18 00:13:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2020-07-18 00:13:43,112 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 31 [2020-07-18 00:13:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:13:43,112 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2020-07-18 00:13:43,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 00:13:43,113 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 84 states and 93 transitions. [2020-07-18 00:13:43,215 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2020-07-18 00:13:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-18 00:13:43,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:43,218 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] [2020-07-18 00:13:43,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:43,218 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:43,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:43,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1168745686, now seen corresponding path program 1 times [2020-07-18 00:13:43,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:43,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485433082] [2020-07-18 00:13:43,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:13:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:13:43,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:13:43,379 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.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:146) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:102) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:283) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) 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 00:13:43,389 INFO L168 Benchmark]: Toolchain (without parser) took 3026.80 ms. Allocated memory was 146.3 MB in the beginning and 243.8 MB in the end (delta: 97.5 MB). Free memory was 103.6 MB in the beginning and 176.5 MB in the end (delta: -72.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:43,390 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:43,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.35 ms. Allocated memory is still 146.3 MB. Free memory was 103.2 MB in the beginning and 91.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:43,393 INFO L168 Benchmark]: Boogie Preprocessor took 148.41 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 91.5 MB in the beginning and 180.3 MB in the end (delta: -88.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:43,394 INFO L168 Benchmark]: RCFGBuilder took 656.99 ms. Allocated memory is still 203.4 MB. Free memory was 180.3 MB in the beginning and 141.7 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:43,396 INFO L168 Benchmark]: TraceAbstraction took 1920.27 ms. Allocated memory was 203.4 MB in the beginning and 243.8 MB in the end (delta: 40.4 MB). Free memory was 141.7 MB in the beginning and 176.5 MB in the end (delta: -34.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:43,411 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 0.25 ms. Allocated memory is still 146.3 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 293.35 ms. Allocated memory is still 146.3 MB. Free memory was 103.2 MB in the beginning and 91.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.41 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 91.5 MB in the beginning and 180.3 MB in the end (delta: -88.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 656.99 ms. Allocated memory is still 203.4 MB. Free memory was 180.3 MB in the beginning and 141.7 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1920.27 ms. Allocated memory was 203.4 MB in the beginning and 243.8 MB in the end (delta: 40.4 MB). Free memory was 141.7 MB in the beginning and 176.5 MB in the end (delta: -34.8 MB). Peak memory consumption was 5.6 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...