/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_0720.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:32:15,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:32:15,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:32:15,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:32:15,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:32:15,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:32:15,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:32:15,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:32:15,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:32:15,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:32:15,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:32:15,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:32:15,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:32:15,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:32:15,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:32:15,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:32:15,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:32:15,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:32:15,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:32:15,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:32:15,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:32:15,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:32:15,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:32:15,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:32:15,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-11 00:32:15,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:32:15,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:32:15,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:32:15,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:32:15,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:32:15,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:32:15,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:32:15,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:32:15,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:32:15,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:32:15,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:32:15,194 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 00:32:15,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:32:15,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:32:15,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:32:15,212 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:32:15,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:32:15,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:32:15,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:32:15,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:32:15,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:32:15,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:32:15,214 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:32:15,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:32:15,215 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:32:15,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:32:15,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:32:15,216 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:32:15,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:32:15,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:32:15,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:32:15,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:32:15,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:32:15,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:32:15,217 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 00:32:15,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:32:15,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:32:15,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:32:15,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:32:15,510 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:32:15,510 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0720.c [2020-07-11 00:32:15,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784ebeba3/96ded834b1214bd2861672244d8de829/FLAG396ee3ba1 [2020-07-11 00:32:16,056 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:32:16,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0720.c [2020-07-11 00:32:16,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784ebeba3/96ded834b1214bd2861672244d8de829/FLAG396ee3ba1 [2020-07-11 00:32:16,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784ebeba3/96ded834b1214bd2861672244d8de829 [2020-07-11 00:32:16,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:32:16,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:32:16,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:16,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:32:16,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:32:16,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:16" (1/1) ... [2020-07-11 00:32:16,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2a1c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16, skipping insertion in model container [2020-07-11 00:32:16,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:16" (1/1) ... [2020-07-11 00:32:16,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:32:16,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:32:16,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:16,747 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:32:16,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:16,910 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:32:16,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16 WrapperNode [2020-07-11 00:32:16,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:16,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:32:16,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:32:16,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:32:16,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16" (1/1) ... [2020-07-11 00:32:16,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16" (1/1) ... [2020-07-11 00:32:16,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16" (1/1) ... [2020-07-11 00:32:16,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16" (1/1) ... [2020-07-11 00:32:16,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16" (1/1) ... [2020-07-11 00:32:16,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16" (1/1) ... [2020-07-11 00:32:16,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16" (1/1) ... [2020-07-11 00:32:16,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:32:16,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:32:16,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:32:16,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:32:16,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16" (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 00:32:17,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:32:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:32:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-11 00:32:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-07-11 00:32:17,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:32:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:32:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-11 00:32:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-11 00:32:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-07-11 00:32:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 00:32:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-11 00:32:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 00:32:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 00:32:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 00:32:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-11 00:32:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:32:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:32:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:32:17,821 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:32:17,822 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-11 00:32:17,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:17 BoogieIcfgContainer [2020-07-11 00:32:17,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:32:17,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:32:17,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:32:17,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:32:17,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:32:16" (1/3) ... [2020-07-11 00:32:17,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69147113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:17, skipping insertion in model container [2020-07-11 00:32:17,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:16" (2/3) ... [2020-07-11 00:32:17,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69147113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:17, skipping insertion in model container [2020-07-11 00:32:17,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:17" (3/3) ... [2020-07-11 00:32:17,837 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2020-07-11 00:32:17,849 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:32:17,858 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:32:17,873 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:32:17,896 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:32:17,896 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:32:17,896 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:32:17,897 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:32:17,897 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:32:17,897 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:32:17,898 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:32:17,898 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:32:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-11 00:32:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-11 00:32:17,937 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:17,939 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] [2020-07-11 00:32:17,939 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:17,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:17,947 INFO L82 PathProgramCache]: Analyzing trace with hash 328834373, now seen corresponding path program 1 times [2020-07-11 00:32:17,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:17,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742191792] [2020-07-11 00:32:17,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:18,202 INFO L280 TraceCheckUtils]: 0: Hoare triple {186#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {154#true} is VALID [2020-07-11 00:32:18,203 INFO L280 TraceCheckUtils]: 1: Hoare triple {154#true} #valid := #valid[0 := 0]; {154#true} is VALID [2020-07-11 00:32:18,204 INFO L280 TraceCheckUtils]: 2: Hoare triple {154#true} assume 0 < #StackHeapBarrier; {154#true} is VALID [2020-07-11 00:32:18,205 INFO L280 TraceCheckUtils]: 3: Hoare triple {154#true} ~one_sqrt~0 := 1.0; {154#true} is VALID [2020-07-11 00:32:18,206 INFO L280 TraceCheckUtils]: 4: Hoare triple {154#true} ~tiny_sqrt~0 := 1.0E-300; {154#true} is VALID [2020-07-11 00:32:18,206 INFO L280 TraceCheckUtils]: 5: Hoare triple {154#true} assume true; {154#true} is VALID [2020-07-11 00:32:18,207 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {154#true} {154#true} #291#return; {154#true} is VALID [2020-07-11 00:32:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:18,243 INFO L280 TraceCheckUtils]: 0: Hoare triple {187#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {154#true} is VALID [2020-07-11 00:32:18,244 INFO L280 TraceCheckUtils]: 1: Hoare triple {154#true} havoc ~z~0; {154#true} is VALID [2020-07-11 00:32:18,244 INFO L280 TraceCheckUtils]: 2: Hoare triple {154#true} ~sign~0 := -2147483648; {154#true} is VALID [2020-07-11 00:32:18,245 INFO L280 TraceCheckUtils]: 3: Hoare triple {154#true} havoc ~r~0; {154#true} is VALID [2020-07-11 00:32:18,245 INFO L280 TraceCheckUtils]: 4: Hoare triple {154#true} havoc ~t1~0; {154#true} is VALID [2020-07-11 00:32:18,246 INFO L280 TraceCheckUtils]: 5: Hoare triple {154#true} havoc ~s1~0; {154#true} is VALID [2020-07-11 00:32:18,246 INFO L280 TraceCheckUtils]: 6: Hoare triple {154#true} havoc ~ix1~0; {154#true} is VALID [2020-07-11 00:32:18,246 INFO L280 TraceCheckUtils]: 7: Hoare triple {154#true} havoc ~q1~0; {154#true} is VALID [2020-07-11 00:32:18,247 INFO L280 TraceCheckUtils]: 8: Hoare triple {154#true} havoc ~ix0~0; {154#true} is VALID [2020-07-11 00:32:18,247 INFO L280 TraceCheckUtils]: 9: Hoare triple {154#true} havoc ~s0~0; {154#true} is VALID [2020-07-11 00:32:18,248 INFO L280 TraceCheckUtils]: 10: Hoare triple {154#true} havoc ~q~0; {154#true} is VALID [2020-07-11 00:32:18,248 INFO L280 TraceCheckUtils]: 11: Hoare triple {154#true} havoc ~m~0; {154#true} is VALID [2020-07-11 00:32:18,248 INFO L280 TraceCheckUtils]: 12: Hoare triple {154#true} havoc ~t~0; {154#true} is VALID [2020-07-11 00:32:18,249 INFO L280 TraceCheckUtils]: 13: Hoare triple {154#true} havoc ~i~0; {154#true} is VALID [2020-07-11 00:32:18,250 INFO L280 TraceCheckUtils]: 14: Hoare triple {154#true} assume !true; {155#false} is VALID [2020-07-11 00:32:18,251 INFO L280 TraceCheckUtils]: 15: Hoare triple {155#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072); {155#false} is VALID [2020-07-11 00:32:18,251 INFO L280 TraceCheckUtils]: 16: Hoare triple {155#false} #res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {155#false} is VALID [2020-07-11 00:32:18,252 INFO L280 TraceCheckUtils]: 17: Hoare triple {155#false} assume true; {155#false} is VALID [2020-07-11 00:32:18,252 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {155#false} {154#true} #287#return; {155#false} is VALID [2020-07-11 00:32:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:18,265 INFO L280 TraceCheckUtils]: 0: Hoare triple {154#true} ~x := #in~x; {154#true} is VALID [2020-07-11 00:32:18,265 INFO L280 TraceCheckUtils]: 1: Hoare triple {154#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {154#true} is VALID [2020-07-11 00:32:18,266 INFO L280 TraceCheckUtils]: 2: Hoare triple {154#true} assume true; {154#true} is VALID [2020-07-11 00:32:18,266 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {154#true} {155#false} #289#return; {155#false} is VALID [2020-07-11 00:32:18,269 INFO L263 TraceCheckUtils]: 0: Hoare triple {154#true} call ULTIMATE.init(); {186#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} is VALID [2020-07-11 00:32:18,269 INFO L280 TraceCheckUtils]: 1: Hoare triple {186#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {154#true} is VALID [2020-07-11 00:32:18,269 INFO L280 TraceCheckUtils]: 2: Hoare triple {154#true} #valid := #valid[0 := 0]; {154#true} is VALID [2020-07-11 00:32:18,270 INFO L280 TraceCheckUtils]: 3: Hoare triple {154#true} assume 0 < #StackHeapBarrier; {154#true} is VALID [2020-07-11 00:32:18,270 INFO L280 TraceCheckUtils]: 4: Hoare triple {154#true} ~one_sqrt~0 := 1.0; {154#true} is VALID [2020-07-11 00:32:18,271 INFO L280 TraceCheckUtils]: 5: Hoare triple {154#true} ~tiny_sqrt~0 := 1.0E-300; {154#true} is VALID [2020-07-11 00:32:18,271 INFO L280 TraceCheckUtils]: 6: Hoare triple {154#true} assume true; {154#true} is VALID [2020-07-11 00:32:18,271 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {154#true} {154#true} #291#return; {154#true} is VALID [2020-07-11 00:32:18,272 INFO L263 TraceCheckUtils]: 8: Hoare triple {154#true} call #t~ret9 := main(); {154#true} is VALID [2020-07-11 00:32:18,272 INFO L280 TraceCheckUtils]: 9: Hoare triple {154#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); {154#true} is VALID [2020-07-11 00:32:18,274 INFO L263 TraceCheckUtils]: 10: Hoare triple {154#true} call #t~ret7 := __ieee754_sqrt(~x~0); {187#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-11 00:32:18,275 INFO L280 TraceCheckUtils]: 11: Hoare triple {187#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {154#true} is VALID [2020-07-11 00:32:18,275 INFO L280 TraceCheckUtils]: 12: Hoare triple {154#true} havoc ~z~0; {154#true} is VALID [2020-07-11 00:32:18,276 INFO L280 TraceCheckUtils]: 13: Hoare triple {154#true} ~sign~0 := -2147483648; {154#true} is VALID [2020-07-11 00:32:18,276 INFO L280 TraceCheckUtils]: 14: Hoare triple {154#true} havoc ~r~0; {154#true} is VALID [2020-07-11 00:32:18,276 INFO L280 TraceCheckUtils]: 15: Hoare triple {154#true} havoc ~t1~0; {154#true} is VALID [2020-07-11 00:32:18,277 INFO L280 TraceCheckUtils]: 16: Hoare triple {154#true} havoc ~s1~0; {154#true} is VALID [2020-07-11 00:32:18,277 INFO L280 TraceCheckUtils]: 17: Hoare triple {154#true} havoc ~ix1~0; {154#true} is VALID [2020-07-11 00:32:18,290 INFO L280 TraceCheckUtils]: 18: Hoare triple {154#true} havoc ~q1~0; {154#true} is VALID [2020-07-11 00:32:18,291 INFO L280 TraceCheckUtils]: 19: Hoare triple {154#true} havoc ~ix0~0; {154#true} is VALID [2020-07-11 00:32:18,291 INFO L280 TraceCheckUtils]: 20: Hoare triple {154#true} havoc ~s0~0; {154#true} is VALID [2020-07-11 00:32:18,291 INFO L280 TraceCheckUtils]: 21: Hoare triple {154#true} havoc ~q~0; {154#true} is VALID [2020-07-11 00:32:18,292 INFO L280 TraceCheckUtils]: 22: Hoare triple {154#true} havoc ~m~0; {154#true} is VALID [2020-07-11 00:32:18,294 INFO L280 TraceCheckUtils]: 23: Hoare triple {154#true} havoc ~t~0; {154#true} is VALID [2020-07-11 00:32:18,294 INFO L280 TraceCheckUtils]: 24: Hoare triple {154#true} havoc ~i~0; {154#true} is VALID [2020-07-11 00:32:18,297 INFO L280 TraceCheckUtils]: 25: Hoare triple {154#true} assume !true; {155#false} is VALID [2020-07-11 00:32:18,297 INFO L280 TraceCheckUtils]: 26: Hoare triple {155#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072); {155#false} is VALID [2020-07-11 00:32:18,298 INFO L280 TraceCheckUtils]: 27: Hoare triple {155#false} #res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {155#false} is VALID [2020-07-11 00:32:18,298 INFO L280 TraceCheckUtils]: 28: Hoare triple {155#false} assume true; {155#false} is VALID [2020-07-11 00:32:18,298 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {155#false} {154#true} #287#return; {155#false} is VALID [2020-07-11 00:32:18,298 INFO L280 TraceCheckUtils]: 30: Hoare triple {155#false} ~res~0 := #t~ret7; {155#false} is VALID [2020-07-11 00:32:18,299 INFO L280 TraceCheckUtils]: 31: Hoare triple {155#false} havoc #t~ret7; {155#false} is VALID [2020-07-11 00:32:18,299 INFO L263 TraceCheckUtils]: 32: Hoare triple {155#false} call #t~ret8 := isnan_double(~res~0); {154#true} is VALID [2020-07-11 00:32:18,299 INFO L280 TraceCheckUtils]: 33: Hoare triple {154#true} ~x := #in~x; {154#true} is VALID [2020-07-11 00:32:18,300 INFO L280 TraceCheckUtils]: 34: Hoare triple {154#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {154#true} is VALID [2020-07-11 00:32:18,300 INFO L280 TraceCheckUtils]: 35: Hoare triple {154#true} assume true; {154#true} is VALID [2020-07-11 00:32:18,300 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {154#true} {155#false} #289#return; {155#false} is VALID [2020-07-11 00:32:18,301 INFO L280 TraceCheckUtils]: 37: Hoare triple {155#false} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {155#false} is VALID [2020-07-11 00:32:18,301 INFO L280 TraceCheckUtils]: 38: Hoare triple {155#false} assume 0 == #t~ret8; {155#false} is VALID [2020-07-11 00:32:18,301 INFO L280 TraceCheckUtils]: 39: Hoare triple {155#false} havoc #t~ret8; {155#false} is VALID [2020-07-11 00:32:18,301 INFO L280 TraceCheckUtils]: 40: Hoare triple {155#false} assume !false; {155#false} is VALID [2020-07-11 00:32:18,306 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 00:32:18,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742191792] [2020-07-11 00:32:18,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:32:18,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 00:32:18,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731928135] [2020-07-11 00:32:18,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-11 00:32:18,320 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:32:18,325 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 00:32:18,391 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:18,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 00:32:18,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:32:18,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 00:32:18,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 00:32:18,403 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2020-07-11 00:32:19,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:19,528 INFO L93 Difference]: Finished difference Result 276 states and 332 transitions. [2020-07-11 00:32:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 00:32:19,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-11 00:32:19,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:32:19,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 332 transitions. [2020-07-11 00:32:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 332 transitions. [2020-07-11 00:32:19,590 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 332 transitions. [2020-07-11 00:32:19,991 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 332 edges. 332 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:20,013 INFO L225 Difference]: With dead ends: 276 [2020-07-11 00:32:20,014 INFO L226 Difference]: Without dead ends: 144 [2020-07-11 00:32:20,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:32:20,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-11 00:32:20,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-11 00:32:20,208 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:32:20,209 INFO L82 GeneralOperation]: Start isEquivalent. First operand 144 states. Second operand 144 states. [2020-07-11 00:32:20,209 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 144 states. [2020-07-11 00:32:20,210 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 144 states. [2020-07-11 00:32:20,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:20,221 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2020-07-11 00:32:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 163 transitions. [2020-07-11 00:32:20,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:20,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:20,240 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 144 states. [2020-07-11 00:32:20,240 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 144 states. [2020-07-11 00:32:20,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:20,259 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2020-07-11 00:32:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 163 transitions. [2020-07-11 00:32:20,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:20,263 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:20,263 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:32:20,263 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:32:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-11 00:32:20,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 163 transitions. [2020-07-11 00:32:20,273 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 163 transitions. Word has length 41 [2020-07-11 00:32:20,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:32:20,273 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 163 transitions. [2020-07-11 00:32:20,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 00:32:20,274 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 144 states and 163 transitions. [2020-07-11 00:32:20,473 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 163 transitions. [2020-07-11 00:32:20,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-11 00:32:20,477 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:20,477 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] [2020-07-11 00:32:20,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:32:20,478 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:20,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:20,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1352742449, now seen corresponding path program 1 times [2020-07-11 00:32:20,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:20,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336024179] [2020-07-11 00:32:20,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:32:20,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:32:20,583 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: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.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-11 00:32:20,590 INFO L168 Benchmark]: Toolchain (without parser) took 4149.67 ms. Allocated memory was 138.4 MB in the beginning and 245.9 MB in the end (delta: 107.5 MB). Free memory was 102.3 MB in the beginning and 176.7 MB in the end (delta: -74.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:20,591 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-11 00:32:20,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.18 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.1 MB in the beginning and 181.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:20,592 INFO L168 Benchmark]: Boogie Preprocessor took 84.79 ms. Allocated memory is still 202.9 MB. Free memory was 181.1 MB in the beginning and 178.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:20,593 INFO L168 Benchmark]: RCFGBuilder took 832.03 ms. Allocated memory is still 202.9 MB. Free memory was 178.1 MB in the beginning and 119.5 MB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:20,594 INFO L168 Benchmark]: TraceAbstraction took 2757.08 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 119.5 MB in the beginning and 176.7 MB in the end (delta: -57.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-11 00:32:20,599 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 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 470.18 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.1 MB in the beginning and 181.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.79 ms. Allocated memory is still 202.9 MB. Free memory was 181.1 MB in the beginning and 178.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 832.03 ms. Allocated memory is still 202.9 MB. Free memory was 178.1 MB in the beginning and 119.5 MB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2757.08 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 119.5 MB in the beginning and 176.7 MB in the end (delta: -57.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...