/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 0.1.25-8fc6572 [2020-07-11 00:32:24,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:32:24,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:32:24,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:32:24,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:32:24,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:32:24,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:32:24,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:32:24,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:32:24,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:32:24,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:32:24,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:32:24,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:32:24,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:32:24,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:32:24,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:32:24,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:32:24,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:32:24,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:32:24,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:32:24,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:32:24,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:32:24,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:32:24,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:32:24,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:32:24,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:32:24,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:32:24,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:32:24,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:32:24,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:32:24,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:32:24,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:32:24,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:32:24,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:32:24,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:32:24,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:32:24,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:32:24,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:32:24,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:32:24,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:32:24,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:32:24,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 00:32:24,775 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:32:24,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:32:24,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:32:24,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:32:24,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:32:24,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:32:24,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:32:24,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:32:24,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:32:24,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:32:24,778 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:32:24,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:32:24,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:32:24,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:32:24,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:32:24,780 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:32:24,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:32:24,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:32:24,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:32:24,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:32:24,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:32:24,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:32:24,781 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-11 00:32:25,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:32:25,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:32:25,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:32:25,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:32:25,077 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:32:25,077 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1032c.c [2020-07-11 00:32:25,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4a3084b/eeaa83c9dd1748d38fd561ab64346a64/FLAGca215cc8d [2020-07-11 00:32:25,540 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:32:25,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1032c.c [2020-07-11 00:32:25,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4a3084b/eeaa83c9dd1748d38fd561ab64346a64/FLAGca215cc8d [2020-07-11 00:32:25,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4a3084b/eeaa83c9dd1748d38fd561ab64346a64 [2020-07-11 00:32:25,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:32:25,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:32:25,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:25,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:32:25,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:32:25,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:25" (1/1) ... [2020-07-11 00:32:25,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c24fcfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:25, skipping insertion in model container [2020-07-11 00:32:25,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:25" (1/1) ... [2020-07-11 00:32:25,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:32:25,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:32:26,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:26,163 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:32:26,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:26,381 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:32:26,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26 WrapperNode [2020-07-11 00:32:26,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:26,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:32:26,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:32:26,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:32:26,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26" (1/1) ... [2020-07-11 00:32:26,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26" (1/1) ... [2020-07-11 00:32:26,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26" (1/1) ... [2020-07-11 00:32:26,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26" (1/1) ... [2020-07-11 00:32:26,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26" (1/1) ... [2020-07-11 00:32:26,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26" (1/1) ... [2020-07-11 00:32:26,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26" (1/1) ... [2020-07-11 00:32:26,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:32:26,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:32:26,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:32:26,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:32:26,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:32:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:32:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:32:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure round_double [2020-07-11 00:32:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-07-11 00:32:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:32:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:32:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure round_double [2020-07-11 00:32:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 00:32:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-11 00:32:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 00:32:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 00:32:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 00:32:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-11 00:32:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-07-11 00:32:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:32:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:32:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:32:27,272 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:32:27,273 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-11 00:32:27,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:27 BoogieIcfgContainer [2020-07-11 00:32:27,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:32:27,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:32:27,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:32:27,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:32:27,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:32:25" (1/3) ... [2020-07-11 00:32:27,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436333df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:27, skipping insertion in model container [2020-07-11 00:32:27,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:26" (2/3) ... [2020-07-11 00:32:27,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436333df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:27, skipping insertion in model container [2020-07-11 00:32:27,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:27" (3/3) ... [2020-07-11 00:32:27,289 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032c.c [2020-07-11 00:32:27,301 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:32:27,310 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:32:27,328 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:32:27,353 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:32:27,353 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:32:27,353 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:32:27,354 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:32:27,354 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:32:27,354 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:32:27,355 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:32:27,355 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:32:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-07-11 00:32:27,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-11 00:32:27,386 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:27,388 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] [2020-07-11 00:32:27,388 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:27,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:27,395 INFO L82 PathProgramCache]: Analyzing trace with hash 223530101, now seen corresponding path program 1 times [2020-07-11 00:32:27,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:27,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122641735] [2020-07-11 00:32:27,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:27,625 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 [2020-07-11 00:32:27,626 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} #valid := #valid[0 := 0]; {111#true} is VALID [2020-07-11 00:32:27,626 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} assume 0 < #StackHeapBarrier; {111#true} is VALID [2020-07-11 00:32:27,627 INFO L280 TraceCheckUtils]: 3: Hoare triple {111#true} assume true; {111#true} is VALID [2020-07-11 00:32:27,627 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {111#true} {111#true} #168#return; {111#true} is VALID [2020-07-11 00:32:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:27,658 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 [2020-07-11 00:32:27,658 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} havoc ~msw~0; {111#true} is VALID [2020-07-11 00:32:27,659 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} havoc ~exponent_less_1023~0; {111#true} is VALID [2020-07-11 00:32:27,659 INFO L280 TraceCheckUtils]: 3: Hoare triple {111#true} havoc ~lsw~0; {111#true} is VALID [2020-07-11 00:32:27,660 INFO L280 TraceCheckUtils]: 4: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-11 00:32:27,661 INFO L280 TraceCheckUtils]: 5: Hoare triple {112#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {112#false} is VALID [2020-07-11 00:32:27,661 INFO L280 TraceCheckUtils]: 6: Hoare triple {112#false} assume !(~exponent_less_1023~0 < 20); {112#false} is VALID [2020-07-11 00:32:27,661 INFO L280 TraceCheckUtils]: 7: Hoare triple {112#false} assume ~exponent_less_1023~0 > 51; {112#false} is VALID [2020-07-11 00:32:27,662 INFO L280 TraceCheckUtils]: 8: Hoare triple {112#false} assume 1024 == ~exponent_less_1023~0; {112#false} is VALID [2020-07-11 00:32:27,662 INFO L280 TraceCheckUtils]: 9: Hoare triple {112#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {112#false} is VALID [2020-07-11 00:32:27,663 INFO L280 TraceCheckUtils]: 10: Hoare triple {112#false} assume true; {112#false} is VALID [2020-07-11 00:32:27,663 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {112#false} {111#true} #172#return; {112#false} is VALID [2020-07-11 00:32:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:27,674 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 [2020-07-11 00:32:27,675 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} havoc ~hx~0; {111#true} is VALID [2020-07-11 00:32:27,675 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} havoc ~lx~0; {111#true} is VALID [2020-07-11 00:32:27,676 INFO L280 TraceCheckUtils]: 3: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-11 00:32:27,677 INFO L280 TraceCheckUtils]: 4: Hoare triple {112#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {112#false} is VALID [2020-07-11 00:32:27,677 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 [2020-07-11 00:32:27,677 INFO L280 TraceCheckUtils]: 6: Hoare triple {112#false} ~hx~0 := 2146435072 - ~hx~0; {112#false} is VALID [2020-07-11 00:32:27,678 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 [2020-07-11 00:32:27,678 INFO L280 TraceCheckUtils]: 8: Hoare triple {112#false} assume true; {112#false} is VALID [2020-07-11 00:32:27,679 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {112#false} {112#false} #174#return; {112#false} is VALID [2020-07-11 00:32:27,681 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 [2020-07-11 00:32:27,681 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 [2020-07-11 00:32:27,682 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} #valid := #valid[0 := 0]; {111#true} is VALID [2020-07-11 00:32:27,682 INFO L280 TraceCheckUtils]: 3: Hoare triple {111#true} assume 0 < #StackHeapBarrier; {111#true} is VALID [2020-07-11 00:32:27,683 INFO L280 TraceCheckUtils]: 4: Hoare triple {111#true} assume true; {111#true} is VALID [2020-07-11 00:32:27,683 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {111#true} {111#true} #168#return; {111#true} is VALID [2020-07-11 00:32:27,683 INFO L263 TraceCheckUtils]: 6: Hoare triple {111#true} call #t~ret12 := main(); {111#true} is VALID [2020-07-11 00:32:27,684 INFO L280 TraceCheckUtils]: 7: Hoare triple {111#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 0.0); {111#true} is VALID [2020-07-11 00:32:27,686 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 [2020-07-11 00:32:27,687 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 [2020-07-11 00:32:27,687 INFO L280 TraceCheckUtils]: 10: Hoare triple {111#true} havoc ~msw~0; {111#true} is VALID [2020-07-11 00:32:27,688 INFO L280 TraceCheckUtils]: 11: Hoare triple {111#true} havoc ~exponent_less_1023~0; {111#true} is VALID [2020-07-11 00:32:27,688 INFO L280 TraceCheckUtils]: 12: Hoare triple {111#true} havoc ~lsw~0; {111#true} is VALID [2020-07-11 00:32:27,689 INFO L280 TraceCheckUtils]: 13: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-11 00:32:27,690 INFO L280 TraceCheckUtils]: 14: Hoare triple {112#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {112#false} is VALID [2020-07-11 00:32:27,690 INFO L280 TraceCheckUtils]: 15: Hoare triple {112#false} assume !(~exponent_less_1023~0 < 20); {112#false} is VALID [2020-07-11 00:32:27,690 INFO L280 TraceCheckUtils]: 16: Hoare triple {112#false} assume ~exponent_less_1023~0 > 51; {112#false} is VALID [2020-07-11 00:32:27,691 INFO L280 TraceCheckUtils]: 17: Hoare triple {112#false} assume 1024 == ~exponent_less_1023~0; {112#false} is VALID [2020-07-11 00:32:27,691 INFO L280 TraceCheckUtils]: 18: Hoare triple {112#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {112#false} is VALID [2020-07-11 00:32:27,691 INFO L280 TraceCheckUtils]: 19: Hoare triple {112#false} assume true; {112#false} is VALID [2020-07-11 00:32:27,692 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {112#false} {111#true} #172#return; {112#false} is VALID [2020-07-11 00:32:27,692 INFO L280 TraceCheckUtils]: 21: Hoare triple {112#false} ~res~0 := #t~ret10; {112#false} is VALID [2020-07-11 00:32:27,693 INFO L280 TraceCheckUtils]: 22: Hoare triple {112#false} havoc #t~ret10; {112#false} is VALID [2020-07-11 00:32:27,693 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 [2020-07-11 00:32:27,693 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 [2020-07-11 00:32:27,694 INFO L280 TraceCheckUtils]: 25: Hoare triple {111#true} havoc ~hx~0; {111#true} is VALID [2020-07-11 00:32:27,694 INFO L280 TraceCheckUtils]: 26: Hoare triple {111#true} havoc ~lx~0; {111#true} is VALID [2020-07-11 00:32:27,695 INFO L280 TraceCheckUtils]: 27: Hoare triple {111#true} assume !true; {112#false} is VALID [2020-07-11 00:32:27,696 INFO L280 TraceCheckUtils]: 28: Hoare triple {112#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {112#false} is VALID [2020-07-11 00:32:27,696 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 [2020-07-11 00:32:27,697 INFO L280 TraceCheckUtils]: 30: Hoare triple {112#false} ~hx~0 := 2146435072 - ~hx~0; {112#false} is VALID [2020-07-11 00:32:27,697 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 [2020-07-11 00:32:27,697 INFO L280 TraceCheckUtils]: 32: Hoare triple {112#false} assume true; {112#false} is VALID [2020-07-11 00:32:27,698 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {112#false} {112#false} #174#return; {112#false} is VALID [2020-07-11 00:32:27,698 INFO L280 TraceCheckUtils]: 34: Hoare triple {112#false} assume -2147483648 <= #t~ret11 && #t~ret11 <= 2147483647; {112#false} is VALID [2020-07-11 00:32:27,699 INFO L280 TraceCheckUtils]: 35: Hoare triple {112#false} assume 0 == #t~ret11; {112#false} is VALID [2020-07-11 00:32:27,699 INFO L280 TraceCheckUtils]: 36: Hoare triple {112#false} havoc #t~ret11; {112#false} is VALID [2020-07-11 00:32:27,699 INFO L280 TraceCheckUtils]: 37: Hoare triple {112#false} assume !false; {112#false} is VALID [2020-07-11 00:32:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:32:27,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122641735] [2020-07-11 00:32:27,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:32:27,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 00:32:27,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581414384] [2020-07-11 00:32:27,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-11 00:32:27,724 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:32:27,730 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 00:32:27,829 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:27,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 00:32:27,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:32:27,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 00:32:27,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 00:32:27,844 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 4 states. [2020-07-11 00:32:28,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:28,622 INFO L93 Difference]: Finished difference Result 202 states and 231 transitions. [2020-07-11 00:32:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 00:32:28,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-11 00:32:28,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:32:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 231 transitions. [2020-07-11 00:32:28,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 231 transitions. [2020-07-11 00:32:28,648 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 231 transitions. [2020-07-11 00:32:28,978 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:28,997 INFO L225 Difference]: With dead ends: 202 [2020-07-11 00:32:28,998 INFO L226 Difference]: Without dead ends: 101 [2020-07-11 00:32:29,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:32:29,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-11 00:32:29,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-11 00:32:29,116 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:32:29,116 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 101 states. [2020-07-11 00:32:29,117 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-11 00:32:29,118 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-11 00:32:29,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:29,126 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2020-07-11 00:32:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2020-07-11 00:32:29,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:29,128 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:29,129 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-11 00:32:29,129 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-11 00:32:29,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:29,137 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2020-07-11 00:32:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2020-07-11 00:32:29,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:29,139 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:29,139 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:32:29,139 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:32:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-11 00:32:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2020-07-11 00:32:29,147 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 38 [2020-07-11 00:32:29,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:32:29,148 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2020-07-11 00:32:29,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 00:32:29,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 101 states and 108 transitions. [2020-07-11 00:32:29,275 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2020-07-11 00:32:29,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-11 00:32:29,278 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:29,278 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] [2020-07-11 00:32:29,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:32:29,279 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:29,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:29,280 INFO L82 PathProgramCache]: Analyzing trace with hash 32877217, now seen corresponding path program 1 times [2020-07-11 00:32:29,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:29,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106489245] [2020-07-11 00:32:29,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:29,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:32:29,447 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:1012) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1159) 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) [2020-07-11 00:32:29,453 INFO L168 Benchmark]: Toolchain (without parser) took 3519.63 ms. Allocated memory was 146.3 MB in the beginning and 243.8 MB in the end (delta: 97.5 MB). Free memory was 103.1 MB in the beginning and 150.7 MB in the end (delta: -47.5 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:29,454 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-11 00:32:29,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.87 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.9 MB in the beginning and 182.0 MB in the end (delta: -79.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:29,456 INFO L168 Benchmark]: Boogie Preprocessor took 102.90 ms. Allocated memory is still 204.5 MB. Free memory was 182.0 MB in the beginning and 179.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:29,457 INFO L168 Benchmark]: RCFGBuilder took 792.39 ms. Allocated memory is still 204.5 MB. Free memory was 179.4 MB in the beginning and 134.9 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:29,458 INFO L168 Benchmark]: TraceAbstraction took 2169.82 ms. Allocated memory was 204.5 MB in the beginning and 243.8 MB in the end (delta: 39.3 MB). Free memory was 134.2 MB in the beginning and 150.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:29,462 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 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 448.87 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.9 MB in the beginning and 182.0 MB in the end (delta: -79.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.90 ms. Allocated memory is still 204.5 MB. Free memory was 182.0 MB in the beginning and 179.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 792.39 ms. Allocated memory is still 204.5 MB. Free memory was 179.4 MB in the beginning and 134.9 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2169.82 ms. Allocated memory was 204.5 MB in the beginning and 243.8 MB in the end (delta: 39.3 MB). Free memory was 134.2 MB in the beginning and 150.7 MB in the end (delta: -16.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...