/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1071.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:40:03,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:40:03,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:40:03,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:40:03,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:40:03,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:40:03,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:40:03,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:40:03,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:40:03,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:40:03,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:40:03,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:40:03,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:40:03,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:40:03,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:40:03,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:40:03,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:40:03,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:40:03,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:40:03,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:40:03,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:40:03,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:40:03,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:40:03,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:40:03,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 14:40:03,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 14:40:03,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 14:40:03,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 14:40:03,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 14:40:03,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 14:40:03,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 14:40:03,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 14:40:03,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 14:40:03,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 14:40:03,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 14:40:03,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 14:40:03,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 14:40:03,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 14:40:03,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:40:03,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:40:03,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:40:03,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 14:40:03,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:40:03,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:40:03,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:40:03,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:40:03,643 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:40:03,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:40:03,644 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:40:03,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:40:03,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:40:03,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:40:03,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:40:03,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:40:03,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:40:03,646 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:40:03,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:40:03,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:40:03,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:40:03,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:40:03,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:40:03,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:40:03,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:40:03,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:40:03,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:40:03,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:40:03,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:40:03,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:40:03,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:40:03,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:40:03,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:40:03,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:40:03,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:40:03,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:40:03,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:40:03,944 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:40:03,945 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:40:03,945 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1071.c [2020-07-10 14:40:04,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b56eeda/4ac386f8c95b4130b5a7ecf4d50f4abc/FLAG5ab155605 [2020-07-10 14:40:04,532 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:40:04,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1071.c [2020-07-10 14:40:04,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b56eeda/4ac386f8c95b4130b5a7ecf4d50f4abc/FLAG5ab155605 [2020-07-10 14:40:04,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61b56eeda/4ac386f8c95b4130b5a7ecf4d50f4abc [2020-07-10 14:40:04,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:40:04,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:40:04,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:40:04,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:40:04,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:40:04,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:40:04" (1/1) ... [2020-07-10 14:40:04,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23452e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:04, skipping insertion in model container [2020-07-10 14:40:04,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:40:04" (1/1) ... [2020-07-10 14:40:04,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:40:04,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:40:05,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:40:05,127 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:40:05,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:40:05,271 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:40:05,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05 WrapperNode [2020-07-10 14:40:05,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:40:05,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:40:05,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:40:05,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:40:05,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05" (1/1) ... [2020-07-10 14:40:05,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05" (1/1) ... [2020-07-10 14:40:05,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05" (1/1) ... [2020-07-10 14:40:05,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05" (1/1) ... [2020-07-10 14:40:05,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05" (1/1) ... [2020-07-10 14:40:05,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05" (1/1) ... [2020-07-10 14:40:05,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05" (1/1) ... [2020-07-10 14:40:05,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:40:05,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:40:05,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:40:05,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:40:05,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05" (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 [2020-07-10 14:40:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:40:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:40:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-10 14:40:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2020-07-10 14:40:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:40:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:40:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-10 14:40:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2020-07-10 14:40:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 14:40:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 14:40:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 14:40:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 14:40:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 14:40:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 14:40:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:40:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:40:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:40:05,973 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:40:05,973 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-10 14:40:05,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:40:05 BoogieIcfgContainer [2020-07-10 14:40:05,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:40:05,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:40:05,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:40:05,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:40:05,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:40:04" (1/3) ... [2020-07-10 14:40:05,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0992c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:40:05, skipping insertion in model container [2020-07-10 14:40:05,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:05" (2/3) ... [2020-07-10 14:40:05,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0992c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:40:05, skipping insertion in model container [2020-07-10 14:40:05,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:40:05" (3/3) ... [2020-07-10 14:40:05,988 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1071.c [2020-07-10 14:40:06,000 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:40:06,012 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:40:06,029 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:40:06,056 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:40:06,056 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:40:06,056 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:40:06,056 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:40:06,057 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:40:06,057 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:40:06,057 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:40:06,057 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:40:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-07-10 14:40:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-10 14:40:06,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:40:06,083 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] [2020-07-10 14:40:06,084 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:40:06,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:40:06,090 INFO L82 PathProgramCache]: Analyzing trace with hash -452059413, now seen corresponding path program 1 times [2020-07-10 14:40:06,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:40:06,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433738276] [2020-07-10 14:40:06,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:40:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:40:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:40:06,304 INFO L280 TraceCheckUtils]: 0: Hoare triple {56#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {40#true} is VALID [2020-07-10 14:40:06,305 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-10 14:40:06,306 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {40#true} {40#true} #91#return; {40#true} is VALID [2020-07-10 14:40:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:40:06,342 INFO L280 TraceCheckUtils]: 0: Hoare triple {57#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~signbit~0;havoc ~msw~0;havoc ~lsw~0;havoc ~exponent_less_1023~0; {40#true} is VALID [2020-07-10 14:40:06,344 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-10 14:40:06,344 INFO L280 TraceCheckUtils]: 2: Hoare triple {41#false} ~signbit~0 := (if ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {41#false} is VALID [2020-07-10 14:40:06,345 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} assume !(~exponent_less_1023~0 < 20); {41#false} is VALID [2020-07-10 14:40:06,345 INFO L280 TraceCheckUtils]: 4: Hoare triple {41#false} assume ~exponent_less_1023~0 > 51; {41#false} is VALID [2020-07-10 14:40:06,346 INFO L280 TraceCheckUtils]: 5: Hoare triple {41#false} assume 1024 == ~exponent_less_1023~0;#res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {41#false} is VALID [2020-07-10 14:40:06,347 INFO L280 TraceCheckUtils]: 6: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-10 14:40:06,347 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {41#false} {40#true} #95#return; {41#false} is VALID [2020-07-10 14:40:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:40:06,385 INFO L280 TraceCheckUtils]: 0: Hoare triple {40#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {40#true} is VALID [2020-07-10 14:40:06,386 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-10 14:40:06,386 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {40#true} {41#false} #97#return; {41#false} is VALID [2020-07-10 14:40:06,395 INFO L263 TraceCheckUtils]: 0: Hoare triple {40#true} call ULTIMATE.init(); {56#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 14:40:06,396 INFO L280 TraceCheckUtils]: 1: Hoare triple {56#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {40#true} is VALID [2020-07-10 14:40:06,396 INFO L280 TraceCheckUtils]: 2: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-10 14:40:06,396 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {40#true} {40#true} #91#return; {40#true} is VALID [2020-07-10 14:40:06,397 INFO L263 TraceCheckUtils]: 4: Hoare triple {40#true} call #t~ret12 := main(); {40#true} is VALID [2020-07-10 14:40:06,397 INFO L280 TraceCheckUtils]: 5: Hoare triple {40#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); {40#true} is VALID [2020-07-10 14:40:06,403 INFO L263 TraceCheckUtils]: 6: Hoare triple {40#true} call #t~ret10 := trunc_double(~x~0); {57#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:40:06,403 INFO L280 TraceCheckUtils]: 7: Hoare triple {57#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~signbit~0;havoc ~msw~0;havoc ~lsw~0;havoc ~exponent_less_1023~0; {40#true} is VALID [2020-07-10 14:40:06,405 INFO L280 TraceCheckUtils]: 8: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-10 14:40:06,406 INFO L280 TraceCheckUtils]: 9: Hoare triple {41#false} ~signbit~0 := (if ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {41#false} is VALID [2020-07-10 14:40:06,406 INFO L280 TraceCheckUtils]: 10: Hoare triple {41#false} assume !(~exponent_less_1023~0 < 20); {41#false} is VALID [2020-07-10 14:40:06,406 INFO L280 TraceCheckUtils]: 11: Hoare triple {41#false} assume ~exponent_less_1023~0 > 51; {41#false} is VALID [2020-07-10 14:40:06,407 INFO L280 TraceCheckUtils]: 12: Hoare triple {41#false} assume 1024 == ~exponent_less_1023~0;#res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {41#false} is VALID [2020-07-10 14:40:06,408 INFO L280 TraceCheckUtils]: 13: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-10 14:40:06,408 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {41#false} {40#true} #95#return; {41#false} is VALID [2020-07-10 14:40:06,409 INFO L280 TraceCheckUtils]: 15: Hoare triple {41#false} ~res~0 := #t~ret10;havoc #t~ret10; {41#false} is VALID [2020-07-10 14:40:06,409 INFO L263 TraceCheckUtils]: 16: Hoare triple {41#false} call #t~ret11 := isnan_double(~res~0); {40#true} is VALID [2020-07-10 14:40:06,410 INFO L280 TraceCheckUtils]: 17: Hoare triple {40#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {40#true} is VALID [2020-07-10 14:40:06,410 INFO L280 TraceCheckUtils]: 18: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-10 14:40:06,410 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {40#true} {41#false} #97#return; {41#false} is VALID [2020-07-10 14:40:06,411 INFO L280 TraceCheckUtils]: 20: Hoare triple {41#false} assume -2147483648 <= #t~ret11 && #t~ret11 <= 2147483647; {41#false} is VALID [2020-07-10 14:40:06,411 INFO L280 TraceCheckUtils]: 21: Hoare triple {41#false} assume 0 == #t~ret11;havoc #t~ret11; {41#false} is VALID [2020-07-10 14:40:06,412 INFO L280 TraceCheckUtils]: 22: Hoare triple {41#false} assume !false; {41#false} is VALID [2020-07-10 14:40:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 14:40:06,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433738276] [2020-07-10 14:40:06,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:40:06,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 14:40:06,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587507095] [2020-07-10 14:40:06,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-10 14:40:06,447 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:40:06,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 14:40:06,528 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:40:06,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 14:40:06,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:40:06,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 14:40:06,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 14:40:06,546 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 4 states. [2020-07-10 14:40:07,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:40:07,035 INFO L93 Difference]: Finished difference Result 66 states and 90 transitions. [2020-07-10 14:40:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 14:40:07,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-10 14:40:07,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:40:07,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:40:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2020-07-10 14:40:07,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:40:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2020-07-10 14:40:07,092 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 90 transitions. [2020-07-10 14:40:07,239 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:40:07,252 INFO L225 Difference]: With dead ends: 66 [2020-07-10 14:40:07,252 INFO L226 Difference]: Without dead ends: 33 [2020-07-10 14:40:07,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 14:40:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-10 14:40:07,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-10 14:40:07,328 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:40:07,328 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-10 14:40:07,329 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-10 14:40:07,329 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-10 14:40:07,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:40:07,334 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2020-07-10 14:40:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2020-07-10 14:40:07,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:40:07,335 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:40:07,335 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-10 14:40:07,336 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-10 14:40:07,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:40:07,340 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2020-07-10 14:40:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2020-07-10 14:40:07,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:40:07,341 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:40:07,341 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:40:07,342 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:40:07,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-10 14:40:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2020-07-10 14:40:07,347 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 23 [2020-07-10 14:40:07,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:40:07,347 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2020-07-10 14:40:07,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 14:40:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2020-07-10 14:40:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-10 14:40:07,349 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:40:07,349 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] [2020-07-10 14:40:07,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:40:07,350 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:40:07,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:40:07,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1570049965, now seen corresponding path program 1 times [2020-07-10 14:40:07,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:40:07,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61655311] [2020-07-10 14:40:07,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:40:07,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 14:40:07,427 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.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) 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) [2020-07-10 14:40:07,438 INFO L168 Benchmark]: Toolchain (without parser) took 2561.80 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 101.9 MB in the beginning and 153.0 MB in the end (delta: -51.2 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:07,440 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 14:40:07,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.39 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 180.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:07,443 INFO L168 Benchmark]: Boogie Preprocessor took 56.58 ms. Allocated memory is still 202.4 MB. Free memory was 180.9 MB in the beginning and 178.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:07,445 INFO L168 Benchmark]: RCFGBuilder took 648.20 ms. Allocated memory is still 202.4 MB. Free memory was 178.0 MB in the beginning and 146.9 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:07,446 INFO L168 Benchmark]: TraceAbstraction took 1453.58 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 146.3 MB in the beginning and 153.0 MB in the end (delta: -6.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-07-10 14:40:07,456 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 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 396.39 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 180.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.58 ms. Allocated memory is still 202.4 MB. Free memory was 180.9 MB in the beginning and 178.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 648.20 ms. Allocated memory is still 202.4 MB. Free memory was 178.0 MB in the beginning and 146.9 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1453.58 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 146.3 MB in the beginning and 153.0 MB in the end (delta: -6.8 MB). Peak memory consumption was 26.2 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...