/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032c.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:38:33,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:38:33,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:38:33,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:38:33,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:38:33,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:38:33,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:38:33,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:38:33,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:38:33,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:38:33,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:38:33,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:38:33,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:38:33,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:38:33,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:38:33,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:38:33,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:38:33,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:38:33,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:38:33,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:38:33,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:38:33,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:38:33,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:38:33,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:38:33,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:38:33,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:38:33,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:38:33,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:38:33,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:38:33,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:38:33,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:38:33,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:38:33,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:38:33,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:38:33,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:38:33,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:38:33,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:38:33,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:38:33,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:38:33,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:38:33,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:38:33,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:38:33,998 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:38:33,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:38:33,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:38:33,999 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:38:33,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:38:34,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:38:34,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:38:34,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:38:34,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:38:34,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:38:34,001 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:38:34,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:38:34,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:38:34,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:38:34,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:38:34,002 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:38:34,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:38:34,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:38:34,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:38:34,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:38:34,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:38:34,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:38:34,003 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 04:38:34,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:38:34,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:38:34,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:38:34,289 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:38:34,289 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:38:34,290 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032c.c [2020-07-18 04:38:34,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e366d354/f3db80c5cb8c4d1589d5f2594fee5976/FLAGc49048886 [2020-07-18 04:38:34,868 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:38:34,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1032c.c [2020-07-18 04:38:34,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e366d354/f3db80c5cb8c4d1589d5f2594fee5976/FLAGc49048886 [2020-07-18 04:38:35,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e366d354/f3db80c5cb8c4d1589d5f2594fee5976 [2020-07-18 04:38:35,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:38:35,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:38:35,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:35,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:38:35,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:38:35,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:35" (1/1) ... [2020-07-18 04:38:35,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be51f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35, skipping insertion in model container [2020-07-18 04:38:35,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:35" (1/1) ... [2020-07-18 04:38:35,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:38:35,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:38:35,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:35,479 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:38:35,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:35,630 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:38:35,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35 WrapperNode [2020-07-18 04:38:35,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:35,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:38:35,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:38:35,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:38:35,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35" (1/1) ... [2020-07-18 04:38:35,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35" (1/1) ... [2020-07-18 04:38:35,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35" (1/1) ... [2020-07-18 04:38:35,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35" (1/1) ... [2020-07-18 04:38:35,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35" (1/1) ... [2020-07-18 04:38:35,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35" (1/1) ... [2020-07-18 04:38:35,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35" (1/1) ... [2020-07-18 04:38:35,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:38:35,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:38:35,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:38:35,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:38:35,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:38:35,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:38:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:38:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure round_double [2020-07-18 04:38:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-07-18 04:38:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:38:35,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:38:35,746 INFO L130 BoogieDeclarations]: Found specification of procedure round_double [2020-07-18 04:38:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 04:38:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 04:38:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 04:38:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 04:38:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 04:38:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 04:38:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-07-18 04:38:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:38:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:38:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:38:36,347 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:38:36,347 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-18 04:38:36,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:36 BoogieIcfgContainer [2020-07-18 04:38:36,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:38:36,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:38:36,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:38:36,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:38:36,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:38:35" (1/3) ... [2020-07-18 04:38:36,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ef4352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:36, skipping insertion in model container [2020-07-18 04:38:36,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:35" (2/3) ... [2020-07-18 04:38:36,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ef4352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:36, skipping insertion in model container [2020-07-18 04:38:36,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:36" (3/3) ... [2020-07-18 04:38:36,361 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032c.c [2020-07-18 04:38:36,372 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:38:36,379 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:38:36,393 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:38:36,415 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:38:36,415 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:38:36,415 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:38:36,415 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:38:36,416 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:38:36,416 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:38:36,416 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:38:36,416 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:38:36,433 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-07-18 04:38:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-18 04:38:36,446 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:36,447 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] [2020-07-18 04:38:36,448 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:36,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:36,454 INFO L82 PathProgramCache]: Analyzing trace with hash 223530101, now seen corresponding path program 1 times [2020-07-18 04:38:36,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:36,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105788624] [2020-07-18 04:38:36,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:36,655 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {111#true} is VALID [2020-07-18 04:38:36,656 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} #valid := #valid[0 := 0]; {111#true} is VALID [2020-07-18 04:38:36,656 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} assume 0 < #StackHeapBarrier; {111#true} is VALID [2020-07-18 04:38:36,656 INFO L280 TraceCheckUtils]: 3: Hoare triple {111#true} assume true; {111#true} is VALID [2020-07-18 04:38:36,657 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {111#true} {111#true} #168#return; {111#true} is VALID [2020-07-18 04:38:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:36,708 INFO L280 TraceCheckUtils]: 0: Hoare triple {141#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {111#true} is VALID [2020-07-18 04:38:36,708 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} havoc ~msw~0; {111#true} is VALID [2020-07-18 04:38:36,709 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} havoc ~exponent_less_1023~0; {111#true} is VALID [2020-07-18 04:38:36,709 INFO L280 TraceCheckUtils]: 3: Hoare triple {111#true} havoc ~lsw~0; {111#true} is VALID [2020-07-18 04:38:36,711 INFO L280 TraceCheckUtils]: 4: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-18 04:38:36,712 INFO L280 TraceCheckUtils]: 5: Hoare triple {112#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {112#false} is VALID [2020-07-18 04:38:36,712 INFO L280 TraceCheckUtils]: 6: Hoare triple {112#false} assume !(~exponent_less_1023~0 < 20); {112#false} is VALID [2020-07-18 04:38:36,712 INFO L280 TraceCheckUtils]: 7: Hoare triple {112#false} assume ~exponent_less_1023~0 > 51; {112#false} is VALID [2020-07-18 04:38:36,713 INFO L280 TraceCheckUtils]: 8: Hoare triple {112#false} assume 1024 == ~exponent_less_1023~0; {112#false} is VALID [2020-07-18 04:38:36,713 INFO L280 TraceCheckUtils]: 9: Hoare triple {112#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {112#false} is VALID [2020-07-18 04:38:36,713 INFO L280 TraceCheckUtils]: 10: Hoare triple {112#false} assume true; {112#false} is VALID [2020-07-18 04:38:36,714 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {112#false} {111#true} #172#return; {112#false} is VALID [2020-07-18 04:38:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:36,760 INFO L280 TraceCheckUtils]: 0: Hoare triple {141#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {111#true} is VALID [2020-07-18 04:38:36,760 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} havoc ~hx~0; {111#true} is VALID [2020-07-18 04:38:36,761 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} havoc ~lx~0; {111#true} is VALID [2020-07-18 04:38:36,762 INFO L280 TraceCheckUtils]: 3: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-18 04:38:36,762 INFO L280 TraceCheckUtils]: 4: Hoare triple {112#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {112#false} is VALID [2020-07-18 04:38:36,762 INFO L280 TraceCheckUtils]: 5: Hoare triple {112#false} ~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296); {112#false} is VALID [2020-07-18 04:38:36,763 INFO L280 TraceCheckUtils]: 6: Hoare triple {112#false} ~hx~0 := 2146435072 - ~hx~0; {112#false} is VALID [2020-07-18 04:38:36,763 INFO L280 TraceCheckUtils]: 7: Hoare triple {112#false} #res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {112#false} is VALID [2020-07-18 04:38:36,764 INFO L280 TraceCheckUtils]: 8: Hoare triple {112#false} assume true; {112#false} is VALID [2020-07-18 04:38:36,764 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {112#false} {112#false} #174#return; {112#false} is VALID [2020-07-18 04:38:36,768 INFO L263 TraceCheckUtils]: 0: Hoare triple {111#true} call ULTIMATE.init(); {140#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 04:38:36,769 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {111#true} is VALID [2020-07-18 04:38:36,769 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} #valid := #valid[0 := 0]; {111#true} is VALID [2020-07-18 04:38:36,770 INFO L280 TraceCheckUtils]: 3: Hoare triple {111#true} assume 0 < #StackHeapBarrier; {111#true} is VALID [2020-07-18 04:38:36,770 INFO L280 TraceCheckUtils]: 4: Hoare triple {111#true} assume true; {111#true} is VALID [2020-07-18 04:38:36,770 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {111#true} {111#true} #168#return; {111#true} is VALID [2020-07-18 04:38:36,771 INFO L263 TraceCheckUtils]: 6: Hoare triple {111#true} call #t~ret12 := main(); {111#true} is VALID [2020-07-18 04:38:36,773 INFO L280 TraceCheckUtils]: 7: Hoare triple {111#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 0.0); {111#true} is VALID [2020-07-18 04:38:36,775 INFO L263 TraceCheckUtils]: 8: Hoare triple {111#true} call #t~ret10 := round_double(~x~0); {141#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:38:36,775 INFO L280 TraceCheckUtils]: 9: Hoare triple {141#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {111#true} is VALID [2020-07-18 04:38:36,776 INFO L280 TraceCheckUtils]: 10: Hoare triple {111#true} havoc ~msw~0; {111#true} is VALID [2020-07-18 04:38:36,776 INFO L280 TraceCheckUtils]: 11: Hoare triple {111#true} havoc ~exponent_less_1023~0; {111#true} is VALID [2020-07-18 04:38:36,777 INFO L280 TraceCheckUtils]: 12: Hoare triple {111#true} havoc ~lsw~0; {111#true} is VALID [2020-07-18 04:38:36,778 INFO L280 TraceCheckUtils]: 13: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-18 04:38:36,778 INFO L280 TraceCheckUtils]: 14: Hoare triple {112#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {112#false} is VALID [2020-07-18 04:38:36,779 INFO L280 TraceCheckUtils]: 15: Hoare triple {112#false} assume !(~exponent_less_1023~0 < 20); {112#false} is VALID [2020-07-18 04:38:36,779 INFO L280 TraceCheckUtils]: 16: Hoare triple {112#false} assume ~exponent_less_1023~0 > 51; {112#false} is VALID [2020-07-18 04:38:36,779 INFO L280 TraceCheckUtils]: 17: Hoare triple {112#false} assume 1024 == ~exponent_less_1023~0; {112#false} is VALID [2020-07-18 04:38:36,780 INFO L280 TraceCheckUtils]: 18: Hoare triple {112#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {112#false} is VALID [2020-07-18 04:38:36,780 INFO L280 TraceCheckUtils]: 19: Hoare triple {112#false} assume true; {112#false} is VALID [2020-07-18 04:38:36,780 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {112#false} {111#true} #172#return; {112#false} is VALID [2020-07-18 04:38:36,781 INFO L280 TraceCheckUtils]: 21: Hoare triple {112#false} ~res~0 := #t~ret10; {112#false} is VALID [2020-07-18 04:38:36,781 INFO L280 TraceCheckUtils]: 22: Hoare triple {112#false} havoc #t~ret10; {112#false} is VALID [2020-07-18 04:38:36,781 INFO L263 TraceCheckUtils]: 23: Hoare triple {112#false} call #t~ret11 := isinf_double(~res~0); {141#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:38:36,782 INFO L280 TraceCheckUtils]: 24: Hoare triple {141#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {111#true} is VALID [2020-07-18 04:38:36,782 INFO L280 TraceCheckUtils]: 25: Hoare triple {111#true} havoc ~hx~0; {111#true} is VALID [2020-07-18 04:38:36,782 INFO L280 TraceCheckUtils]: 26: Hoare triple {111#true} havoc ~lx~0; {111#true} is VALID [2020-07-18 04:38:36,788 INFO L280 TraceCheckUtils]: 27: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-18 04:38:36,789 INFO L280 TraceCheckUtils]: 28: Hoare triple {112#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {112#false} is VALID [2020-07-18 04:38:36,789 INFO L280 TraceCheckUtils]: 29: Hoare triple {112#false} ~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296); {112#false} is VALID [2020-07-18 04:38:36,790 INFO L280 TraceCheckUtils]: 30: Hoare triple {112#false} ~hx~0 := 2146435072 - ~hx~0; {112#false} is VALID [2020-07-18 04:38:36,790 INFO L280 TraceCheckUtils]: 31: Hoare triple {112#false} #res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {112#false} is VALID [2020-07-18 04:38:36,790 INFO L280 TraceCheckUtils]: 32: Hoare triple {112#false} assume true; {112#false} is VALID [2020-07-18 04:38:36,791 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {112#false} {112#false} #174#return; {112#false} is VALID [2020-07-18 04:38:36,791 INFO L280 TraceCheckUtils]: 34: Hoare triple {112#false} assume -2147483648 <= #t~ret11 && #t~ret11 <= 2147483647; {112#false} is VALID [2020-07-18 04:38:36,792 INFO L280 TraceCheckUtils]: 35: Hoare triple {112#false} assume 0 == #t~ret11; {112#false} is VALID [2020-07-18 04:38:36,792 INFO L280 TraceCheckUtils]: 36: Hoare triple {112#false} havoc #t~ret11; {112#false} is VALID [2020-07-18 04:38:36,793 INFO L280 TraceCheckUtils]: 37: Hoare triple {112#false} assume !false; {112#false} is VALID [2020-07-18 04:38:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:38:36,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105788624] [2020-07-18 04:38:36,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:38:36,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 04:38:36,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848030051] [2020-07-18 04:38:36,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-18 04:38:36,825 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:38:36,829 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 04:38:36,911 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:36,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 04:38:36,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:38:36,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 04:38:36,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 04:38:36,924 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 4 states. [2020-07-18 04:38:37,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:37,704 INFO L93 Difference]: Finished difference Result 202 states and 231 transitions. [2020-07-18 04:38:37,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 04:38:37,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-18 04:38:37,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:38:37,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 231 transitions. [2020-07-18 04:38:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 231 transitions. [2020-07-18 04:38:37,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 231 transitions. [2020-07-18 04:38:38,077 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:38,095 INFO L225 Difference]: With dead ends: 202 [2020-07-18 04:38:38,095 INFO L226 Difference]: Without dead ends: 101 [2020-07-18 04:38:38,099 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 [2020-07-18 04:38:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-18 04:38:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-18 04:38:38,247 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:38:38,247 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 101 states. [2020-07-18 04:38:38,248 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-18 04:38:38,248 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-18 04:38:38,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:38,260 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2020-07-18 04:38:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2020-07-18 04:38:38,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:38,262 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:38,262 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-18 04:38:38,262 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-18 04:38:38,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:38,279 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2020-07-18 04:38:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2020-07-18 04:38:38,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:38,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:38,284 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:38:38,284 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:38:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-18 04:38:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2020-07-18 04:38:38,300 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 38 [2020-07-18 04:38:38,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:38:38,301 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2020-07-18 04:38:38,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 04:38:38,301 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 101 states and 108 transitions. [2020-07-18 04:38:38,444 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2020-07-18 04:38:38,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-18 04:38:38,448 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:38,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:38:38,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:38:38,449 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:38,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:38,449 INFO L82 PathProgramCache]: Analyzing trace with hash 32877217, now seen corresponding path program 1 times [2020-07-18 04:38:38,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:38,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725770870] [2020-07-18 04:38:38,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:38,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:38:38,583 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.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 04:38:38,589 INFO L168 Benchmark]: Toolchain (without parser) took 3328.45 ms. Allocated memory was 138.9 MB in the beginning and 245.9 MB in the end (delta: 107.0 MB). Free memory was 103.6 MB in the beginning and 159.1 MB in the end (delta: -55.5 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:38,590 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:38:38,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.59 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 179.8 MB in the end (delta: -76.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:38,592 INFO L168 Benchmark]: Boogie Preprocessor took 56.87 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 177.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:38,592 INFO L168 Benchmark]: RCFGBuilder took 663.69 ms. Allocated memory is still 202.4 MB. Free memory was 177.9 MB in the beginning and 132.8 MB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:38,593 INFO L168 Benchmark]: TraceAbstraction took 2231.80 ms. Allocated memory was 202.4 MB in the beginning and 245.9 MB in the end (delta: 43.5 MB). Free memory was 132.2 MB in the beginning and 159.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:38,598 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 0.92 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 369.59 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 179.8 MB in the end (delta: -76.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.87 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 177.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 663.69 ms. Allocated memory is still 202.4 MB. Free memory was 177.9 MB in the beginning and 132.8 MB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2231.80 ms. Allocated memory was 202.4 MB in the beginning and 245.9 MB in the end (delta: 43.5 MB). Free memory was 132.2 MB in the beginning and 159.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 16.6 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.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...