/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_1052d.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 15:54:16,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 15:54:16,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 15:54:16,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 15:54:16,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 15:54:16,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 15:54:16,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 15:54:16,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 15:54:16,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 15:54:16,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 15:54:17,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 15:54:17,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 15:54:17,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 15:54:17,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 15:54:17,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 15:54:17,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 15:54:17,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 15:54:17,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 15:54:17,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 15:54:17,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 15:54:17,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 15:54:17,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 15:54:17,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 15:54:17,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 15:54:17,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 15:54:17,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 15:54:17,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 15:54:17,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 15:54:17,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 15:54:17,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 15:54:17,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 15:54:17,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 15:54:17,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 15:54:17,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 15:54:17,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 15:54:17,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 15:54:17,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 15:54:17,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 15:54:17,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 15:54:17,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 15:54:17,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 15:54:17,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 15:54:17,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 15:54:17,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 15:54:17,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 15:54:17,036 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 15:54:17,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 15:54:17,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 15:54:17,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 15:54:17,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 15:54:17,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 15:54:17,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 15:54:17,038 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 15:54:17,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 15:54:17,038 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 15:54:17,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 15:54:17,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 15:54:17,039 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 15:54:17,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 15:54:17,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 15:54:17,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:54:17,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 15:54:17,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 15:54:17,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 15:54:17,040 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 15:54:17,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 15:54:17,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 15:54:17,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 15:54:17,366 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 15:54:17,366 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 15:54:17,368 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1052d.c [2020-07-08 15:54:17,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da044803/e7b81011bb4642f0ae7d95bcb1f27ef6/FLAG921f1a524 [2020-07-08 15:54:17,855 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 15:54:17,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1052d.c [2020-07-08 15:54:17,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da044803/e7b81011bb4642f0ae7d95bcb1f27ef6/FLAG921f1a524 [2020-07-08 15:54:18,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da044803/e7b81011bb4642f0ae7d95bcb1f27ef6 [2020-07-08 15:54:18,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 15:54:18,200 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 15:54:18,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 15:54:18,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 15:54:18,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 15:54:18,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:54:18" (1/1) ... [2020-07-08 15:54:18,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3872de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18, skipping insertion in model container [2020-07-08 15:54:18,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:54:18" (1/1) ... [2020-07-08 15:54:18,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 15:54:18,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 15:54:18,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:54:18,494 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 15:54:18,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:54:18,679 INFO L208 MainTranslator]: Completed translation [2020-07-08 15:54:18,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18 WrapperNode [2020-07-08 15:54:18,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 15:54:18,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 15:54:18,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 15:54:18,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 15:54:18,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18" (1/1) ... [2020-07-08 15:54:18,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18" (1/1) ... [2020-07-08 15:54:18,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18" (1/1) ... [2020-07-08 15:54:18,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18" (1/1) ... [2020-07-08 15:54:18,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18" (1/1) ... [2020-07-08 15:54:18,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18" (1/1) ... [2020-07-08 15:54:18,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18" (1/1) ... [2020-07-08 15:54:18,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 15:54:18,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 15:54:18,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 15:54:18,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 15:54:18,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18" (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 [2020-07-08 15:54:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 15:54:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 15:54:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2020-07-08 15:54:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-08 15:54:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 15:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 15:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2020-07-08 15:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 15:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 15:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 15:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 15:54:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 15:54:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 15:54:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-08 15:54:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 15:54:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 15:54:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 15:54:19,381 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 15:54:19,382 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-08 15:54:19,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:54:19 BoogieIcfgContainer [2020-07-08 15:54:19,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 15:54:19,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 15:54:19,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 15:54:19,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 15:54:19,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 03:54:18" (1/3) ... [2020-07-08 15:54:19,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbb380b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:54:19, skipping insertion in model container [2020-07-08 15:54:19,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:18" (2/3) ... [2020-07-08 15:54:19,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbb380b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:54:19, skipping insertion in model container [2020-07-08 15:54:19,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:54:19" (3/3) ... [2020-07-08 15:54:19,402 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052d.c [2020-07-08 15:54:19,414 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 15:54:19,422 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 15:54:19,438 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 15:54:19,464 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 15:54:19,464 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 15:54:19,467 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 15:54:19,467 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 15:54:19,467 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 15:54:19,467 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 15:54:19,468 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 15:54:19,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 15:54:19,499 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-07-08 15:54:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-08 15:54:19,510 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:54:19,511 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] [2020-07-08 15:54:19,511 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:54:19,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:54:19,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1112958377, now seen corresponding path program 1 times [2020-07-08 15:54:19,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:54:19,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033578914] [2020-07-08 15:54:19,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:54:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:19,771 INFO L280 TraceCheckUtils]: 0: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {95#true} is VALID [2020-07-08 15:54:19,772 INFO L280 TraceCheckUtils]: 1: Hoare triple {95#true} #valid := #valid[0 := 0]; {95#true} is VALID [2020-07-08 15:54:19,773 INFO L280 TraceCheckUtils]: 2: Hoare triple {95#true} assume 0 < #StackHeapBarrier; {95#true} is VALID [2020-07-08 15:54:19,774 INFO L280 TraceCheckUtils]: 3: Hoare triple {95#true} ~huge_floor~0 := 1.0E30; {95#true} is VALID [2020-07-08 15:54:19,774 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-08 15:54:19,775 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {95#true} {95#true} #163#return; {95#true} is VALID [2020-07-08 15:54:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:19,808 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 [2020-07-08 15:54:19,809 INFO L280 TraceCheckUtils]: 1: Hoare triple {95#true} havoc ~i0~0; {95#true} is VALID [2020-07-08 15:54:19,809 INFO L280 TraceCheckUtils]: 2: Hoare triple {95#true} havoc ~j0~0; {95#true} is VALID [2020-07-08 15:54:19,809 INFO L280 TraceCheckUtils]: 3: Hoare triple {95#true} havoc ~i~0; {95#true} is VALID [2020-07-08 15:54:19,810 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} havoc ~ix~0; {95#true} is VALID [2020-07-08 15:54:19,811 INFO L280 TraceCheckUtils]: 5: Hoare triple {95#true} assume !true; {96#false} is VALID [2020-07-08 15:54:19,811 INFO L280 TraceCheckUtils]: 6: Hoare triple {96#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); {96#false} is VALID [2020-07-08 15:54:19,812 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 [2020-07-08 15:54:19,812 INFO L280 TraceCheckUtils]: 8: Hoare triple {96#false} assume !(~j0~0 < 23); {96#false} is VALID [2020-07-08 15:54:19,813 INFO L280 TraceCheckUtils]: 9: Hoare triple {96#false} assume !(~ix~0 % 4294967296 < 2139095040); {96#false} is VALID [2020-07-08 15:54:19,813 INFO L280 TraceCheckUtils]: 10: Hoare triple {96#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {96#false} is VALID [2020-07-08 15:54:19,814 INFO L280 TraceCheckUtils]: 11: Hoare triple {96#false} assume true; {96#false} is VALID [2020-07-08 15:54:19,814 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {96#false} {95#true} #167#return; {96#false} is VALID [2020-07-08 15:54:19,817 INFO L263 TraceCheckUtils]: 0: Hoare triple {95#true} call ULTIMATE.init(); {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 15:54:19,817 INFO L280 TraceCheckUtils]: 1: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {95#true} is VALID [2020-07-08 15:54:19,818 INFO L280 TraceCheckUtils]: 2: Hoare triple {95#true} #valid := #valid[0 := 0]; {95#true} is VALID [2020-07-08 15:54:19,818 INFO L280 TraceCheckUtils]: 3: Hoare triple {95#true} assume 0 < #StackHeapBarrier; {95#true} is VALID [2020-07-08 15:54:19,818 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} ~huge_floor~0 := 1.0E30; {95#true} is VALID [2020-07-08 15:54:19,819 INFO L280 TraceCheckUtils]: 5: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-08 15:54:19,819 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {95#true} {95#true} #163#return; {95#true} is VALID [2020-07-08 15:54:19,819 INFO L263 TraceCheckUtils]: 7: Hoare triple {95#true} call #t~ret9 := main(); {95#true} is VALID [2020-07-08 15:54:19,820 INFO L280 TraceCheckUtils]: 8: Hoare triple {95#true} ~x~0 := 0.0; {95#true} is VALID [2020-07-08 15:54:19,822 INFO L263 TraceCheckUtils]: 9: Hoare triple {95#true} call #t~ret6 := floor_float(~x~0); {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:54:19,822 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 [2020-07-08 15:54:19,822 INFO L280 TraceCheckUtils]: 11: Hoare triple {95#true} havoc ~i0~0; {95#true} is VALID [2020-07-08 15:54:19,823 INFO L280 TraceCheckUtils]: 12: Hoare triple {95#true} havoc ~j0~0; {95#true} is VALID [2020-07-08 15:54:19,823 INFO L280 TraceCheckUtils]: 13: Hoare triple {95#true} havoc ~i~0; {95#true} is VALID [2020-07-08 15:54:19,823 INFO L280 TraceCheckUtils]: 14: Hoare triple {95#true} havoc ~ix~0; {95#true} is VALID [2020-07-08 15:54:19,826 INFO L280 TraceCheckUtils]: 15: Hoare triple {95#true} assume !true; {96#false} is VALID [2020-07-08 15:54:19,827 INFO L280 TraceCheckUtils]: 16: Hoare triple {96#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); {96#false} is VALID [2020-07-08 15:54:19,827 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 [2020-07-08 15:54:19,828 INFO L280 TraceCheckUtils]: 18: Hoare triple {96#false} assume !(~j0~0 < 23); {96#false} is VALID [2020-07-08 15:54:19,828 INFO L280 TraceCheckUtils]: 19: Hoare triple {96#false} assume !(~ix~0 % 4294967296 < 2139095040); {96#false} is VALID [2020-07-08 15:54:19,828 INFO L280 TraceCheckUtils]: 20: Hoare triple {96#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {96#false} is VALID [2020-07-08 15:54:19,829 INFO L280 TraceCheckUtils]: 21: Hoare triple {96#false} assume true; {96#false} is VALID [2020-07-08 15:54:19,829 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {96#false} {95#true} #167#return; {96#false} is VALID [2020-07-08 15:54:19,829 INFO L280 TraceCheckUtils]: 23: Hoare triple {96#false} ~res~0 := #t~ret6; {96#false} is VALID [2020-07-08 15:54:19,830 INFO L280 TraceCheckUtils]: 24: Hoare triple {96#false} havoc #t~ret6; {96#false} is VALID [2020-07-08 15:54:19,830 INFO L280 TraceCheckUtils]: 25: Hoare triple {96#false} #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); {96#false} is VALID [2020-07-08 15:54:19,830 INFO L280 TraceCheckUtils]: 26: Hoare triple {96#false} assume !#t~short8; {96#false} is VALID [2020-07-08 15:54:19,831 INFO L280 TraceCheckUtils]: 27: Hoare triple {96#false} assume !#t~short8; {96#false} is VALID [2020-07-08 15:54:19,831 INFO L280 TraceCheckUtils]: 28: Hoare triple {96#false} havoc #t~ret7; {96#false} is VALID [2020-07-08 15:54:19,831 INFO L280 TraceCheckUtils]: 29: Hoare triple {96#false} havoc #t~short8; {96#false} is VALID [2020-07-08 15:54:19,832 INFO L280 TraceCheckUtils]: 30: Hoare triple {96#false} assume !false; {96#false} is VALID [2020-07-08 15:54:19,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 15:54:19,836 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:54:19,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033578914] [2020-07-08 15:54:19,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:54:19,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 15:54:19,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754393018] [2020-07-08 15:54:19,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-08 15:54:19,850 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:54:19,854 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 15:54:19,906 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:19,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 15:54:19,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:54:19,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 15:54:19,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 15:54:19,920 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 4 states. [2020-07-08 15:54:20,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:20,622 INFO L93 Difference]: Finished difference Result 168 states and 201 transitions. [2020-07-08 15:54:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 15:54:20,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-08 15:54:20,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:54:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 15:54:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 201 transitions. [2020-07-08 15:54:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 15:54:20,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 201 transitions. [2020-07-08 15:54:20,650 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 201 transitions. [2020-07-08 15:54:20,931 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:20,964 INFO L225 Difference]: With dead ends: 168 [2020-07-08 15:54:20,964 INFO L226 Difference]: Without dead ends: 84 [2020-07-08 15:54:20,975 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 [2020-07-08 15:54:20,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-07-08 15:54:21,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-07-08 15:54:21,127 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:54:21,127 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand 84 states. [2020-07-08 15:54:21,128 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2020-07-08 15:54:21,128 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2020-07-08 15:54:21,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:21,136 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2020-07-08 15:54:21,137 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2020-07-08 15:54:21,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:54:21,138 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:54:21,138 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2020-07-08 15:54:21,139 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2020-07-08 15:54:21,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:21,146 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2020-07-08 15:54:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2020-07-08 15:54:21,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:54:21,148 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:54:21,148 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:54:21,148 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:54:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-08 15:54:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2020-07-08 15:54:21,155 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 31 [2020-07-08 15:54:21,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:54:21,156 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2020-07-08 15:54:21,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 15:54:21,156 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 84 states and 93 transitions. [2020-07-08 15:54:21,259 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:21,260 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2020-07-08 15:54:21,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-08 15:54:21,262 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:54:21,262 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] [2020-07-08 15:54:21,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 15:54:21,263 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:54:21,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:54:21,263 INFO L82 PathProgramCache]: Analyzing trace with hash 788175425, now seen corresponding path program 1 times [2020-07-08 15:54:21,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:54:21,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026008051] [2020-07-08 15:54:21,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:54:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:54:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:54:21,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 15:54:21,450 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:1145) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1014) 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:266) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) 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) [2020-07-08 15:54:21,457 INFO L168 Benchmark]: Toolchain (without parser) took 3256.43 ms. Allocated memory was 141.0 MB in the beginning and 244.8 MB in the end (delta: 103.8 MB). Free memory was 102.6 MB in the beginning and 183.1 MB in the end (delta: -80.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:21,458 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 15:54:21,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.67 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 102.2 MB in the beginning and 182.1 MB in the end (delta: -79.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:21,460 INFO L168 Benchmark]: Boogie Preprocessor took 51.51 ms. Allocated memory is still 202.9 MB. Free memory was 182.1 MB in the beginning and 179.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:21,461 INFO L168 Benchmark]: RCFGBuilder took 657.69 ms. Allocated memory is still 202.9 MB. Free memory was 179.6 MB in the beginning and 140.4 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:21,462 INFO L168 Benchmark]: TraceAbstraction took 2061.16 ms. Allocated memory was 202.9 MB in the beginning and 244.8 MB in the end (delta: 41.9 MB). Free memory was 140.4 MB in the beginning and 183.1 MB in the end (delta: -42.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 15:54:21,469 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 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 478.67 ms. Allocated memory was 141.0 MB in the beginning and 202.9 MB in the end (delta: 61.9 MB). Free memory was 102.2 MB in the beginning and 182.1 MB in the end (delta: -79.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.51 ms. Allocated memory is still 202.9 MB. Free memory was 182.1 MB in the beginning and 179.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 657.69 ms. Allocated memory is still 202.9 MB. Free memory was 179.6 MB in the beginning and 140.4 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2061.16 ms. Allocated memory was 202.9 MB in the beginning and 244.8 MB in the end (delta: 41.9 MB). Free memory was 140.4 MB in the beginning and 183.1 MB in the end (delta: -42.7 MB). There was no memory consumed. 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...