/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_1012a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:03:03,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:03:03,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:03:03,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:03:03,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:03:03,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:03:03,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:03:03,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:03:03,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:03:03,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:03:03,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:03:03,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:03:03,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:03:03,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:03:03,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:03:03,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:03:03,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:03:03,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:03:03,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:03:03,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:03:03,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:03:03,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:03:03,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:03:03,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:03:03,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:03:03,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:03:03,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:03:03,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:03:03,690 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 [2020-07-17 22:03:03,705 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:03:03,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:03:03,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:03:03,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:03:03,706 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:03:03,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:03:03,707 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:03:03,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:03:03,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:03:03,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:03:03,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:03:03,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:03:03,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:03:03,708 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:03:03,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:03:03,709 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:03:03,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:03:03,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:03:03,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:03:03,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:03:03,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:03:03,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:03:03,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:03:03,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:03:03,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:03:03,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:03:03,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:03:03,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:03:03,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:03:03,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:03:04,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:03:04,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:03:04,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:03:04,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:03:04,045 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:03:04,046 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1012a.c [2020-07-17 22:03:04,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d37f225c/9f77138914514467afa4fb06780f637a/FLAG3b8dca079 [2020-07-17 22:03:04,651 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:03:04,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1012a.c [2020-07-17 22:03:04,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d37f225c/9f77138914514467afa4fb06780f637a/FLAG3b8dca079 [2020-07-17 22:03:05,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d37f225c/9f77138914514467afa4fb06780f637a [2020-07-17 22:03:05,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:03:05,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:03:05,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:03:05,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:03:05,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:03:05,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:03:05" (1/1) ... [2020-07-17 22:03:05,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3630f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05, skipping insertion in model container [2020-07-17 22:03:05,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:03:05" (1/1) ... [2020-07-17 22:03:05,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:03:05,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:03:05,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:03:05,313 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:03:05,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:03:05,542 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:03:05,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05 WrapperNode [2020-07-17 22:03:05,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:03:05,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:03:05,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:03:05,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:03:05,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05" (1/1) ... [2020-07-17 22:03:05,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05" (1/1) ... [2020-07-17 22:03:05,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05" (1/1) ... [2020-07-17 22:03:05,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05" (1/1) ... [2020-07-17 22:03:05,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05" (1/1) ... [2020-07-17 22:03:05,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05" (1/1) ... [2020-07-17 22:03:05,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05" (1/1) ... [2020-07-17 22:03:05,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:03:05,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:03:05,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:03:05,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:03:05,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05" (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 [2020-07-17 22:03:05,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:03:05,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:03:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 22:03:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-17 22:03:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-07-17 22:03:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-07-17 22:03:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:03:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:03:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 22:03:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-17 22:03:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:03:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:03:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:03:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:03:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-07-17 22:03:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-07-17 22:03:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:03:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:03:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:03:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:03:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:03:06,282 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:03:06,283 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-17 22:03:06,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:03:06 BoogieIcfgContainer [2020-07-17 22:03:06,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:03:06,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:03:06,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:03:06,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:03:06,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:03:05" (1/3) ... [2020-07-17 22:03:06,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5d3811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:03:06, skipping insertion in model container [2020-07-17 22:03:06,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:03:05" (2/3) ... [2020-07-17 22:03:06,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5d3811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:03:06, skipping insertion in model container [2020-07-17 22:03:06,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:03:06" (3/3) ... [2020-07-17 22:03:06,300 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012a.c [2020-07-17 22:03:06,313 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:03:06,322 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:03:06,338 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:03:06,363 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:03:06,363 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:03:06,364 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:03:06,364 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:03:06,364 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:03:06,364 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:03:06,365 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:03:06,365 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:03:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-17 22:03:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-17 22:03:06,393 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:03:06,394 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] [2020-07-17 22:03:06,395 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:03:06,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:03:06,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1713992029, now seen corresponding path program 1 times [2020-07-17 22:03:06,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:03:06,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125393276] [2020-07-17 22:03:06,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:03:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:03:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:03:06,631 INFO L280 TraceCheckUtils]: 0: Hoare triple {50#(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; {34#true} is VALID [2020-07-17 22:03:06,632 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-17 22:03:06,633 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34#true} {34#true} #80#return; {34#true} is VALID [2020-07-17 22:03:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:03:06,677 INFO L280 TraceCheckUtils]: 0: Hoare triple {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~high~0; {34#true} is VALID [2020-07-17 22:03:06,678 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume !true; {35#false} is VALID [2020-07-17 22:03:06,679 INFO L280 TraceCheckUtils]: 2: Hoare triple {35#false} assume !true; {35#false} is VALID [2020-07-17 22:03:06,679 INFO L280 TraceCheckUtils]: 3: Hoare triple {35#false} #res := ~x; {35#false} is VALID [2020-07-17 22:03:06,680 INFO L280 TraceCheckUtils]: 4: Hoare triple {35#false} assume true; {35#false} is VALID [2020-07-17 22:03:06,680 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {35#false} {34#true} #76#return; {35#false} is VALID [2020-07-17 22:03:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:03:06,695 INFO L280 TraceCheckUtils]: 0: Hoare triple {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~0;havoc ~lx~0; {34#true} is VALID [2020-07-17 22:03:06,696 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#true} assume !true; {35#false} is VALID [2020-07-17 22:03:06,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {35#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647);~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := 2146435072 - ~hx~0;#res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {35#false} is VALID [2020-07-17 22:03:06,697 INFO L280 TraceCheckUtils]: 3: Hoare triple {35#false} assume true; {35#false} is VALID [2020-07-17 22:03:06,698 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {35#false} {35#false} #78#return; {35#false} is VALID [2020-07-17 22:03:06,700 INFO L263 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {50#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:03:06,700 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#(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; {34#true} is VALID [2020-07-17 22:03:06,701 INFO L280 TraceCheckUtils]: 2: Hoare triple {34#true} assume true; {34#true} is VALID [2020-07-17 22:03:06,701 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} #80#return; {34#true} is VALID [2020-07-17 22:03:06,702 INFO L263 TraceCheckUtils]: 4: Hoare triple {34#true} call #t~ret12 := main(); {34#true} is VALID [2020-07-17 22:03:06,702 INFO L280 TraceCheckUtils]: 5: Hoare triple {34#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 0.0); {34#true} is VALID [2020-07-17 22:03:06,705 INFO L263 TraceCheckUtils]: 6: Hoare triple {34#true} call #t~ret10 := fabs_double(~x~0); {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:03:06,705 INFO L280 TraceCheckUtils]: 7: Hoare triple {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~high~0; {34#true} is VALID [2020-07-17 22:03:06,706 INFO L280 TraceCheckUtils]: 8: Hoare triple {34#true} assume !true; {35#false} is VALID [2020-07-17 22:03:06,707 INFO L280 TraceCheckUtils]: 9: Hoare triple {35#false} assume !true; {35#false} is VALID [2020-07-17 22:03:06,707 INFO L280 TraceCheckUtils]: 10: Hoare triple {35#false} #res := ~x; {35#false} is VALID [2020-07-17 22:03:06,707 INFO L280 TraceCheckUtils]: 11: Hoare triple {35#false} assume true; {35#false} is VALID [2020-07-17 22:03:06,708 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {35#false} {34#true} #76#return; {35#false} is VALID [2020-07-17 22:03:06,708 INFO L280 TraceCheckUtils]: 13: Hoare triple {35#false} ~res~0 := #t~ret10;havoc #t~ret10; {35#false} is VALID [2020-07-17 22:03:06,709 INFO L263 TraceCheckUtils]: 14: Hoare triple {35#false} call #t~ret11 := isinf_double(~res~0); {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:03:06,709 INFO L280 TraceCheckUtils]: 15: Hoare triple {51#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~0;havoc ~lx~0; {34#true} is VALID [2020-07-17 22:03:06,710 INFO L280 TraceCheckUtils]: 16: Hoare triple {34#true} assume !true; {35#false} is VALID [2020-07-17 22:03:06,710 INFO L280 TraceCheckUtils]: 17: Hoare triple {35#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647);~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := 2146435072 - ~hx~0;#res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {35#false} is VALID [2020-07-17 22:03:06,711 INFO L280 TraceCheckUtils]: 18: Hoare triple {35#false} assume true; {35#false} is VALID [2020-07-17 22:03:06,711 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {35#false} {35#false} #78#return; {35#false} is VALID [2020-07-17 22:03:06,712 INFO L280 TraceCheckUtils]: 20: Hoare triple {35#false} assume -2147483648 <= #t~ret11 && #t~ret11 <= 2147483647; {35#false} is VALID [2020-07-17 22:03:06,712 INFO L280 TraceCheckUtils]: 21: Hoare triple {35#false} assume 0 == #t~ret11;havoc #t~ret11; {35#false} is VALID [2020-07-17 22:03:06,712 INFO L280 TraceCheckUtils]: 22: Hoare triple {35#false} assume !false; {35#false} is VALID [2020-07-17 22:03:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:03:06,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125393276] [2020-07-17 22:03:06,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:03:06,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:03:06,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518500830] [2020-07-17 22:03:06,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-17 22:03:06,731 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:03:06,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:03:06,784 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:03:06,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:03:06,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:03:06,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:03:06,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:03:06,797 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 4 states. [2020-07-17 22:03:07,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:03:07,163 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2020-07-17 22:03:07,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:03:07,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-17 22:03:07,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:03:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:03:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2020-07-17 22:03:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:03:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2020-07-17 22:03:07,188 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 67 transitions. [2020-07-17 22:03:07,339 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:03:07,360 INFO L225 Difference]: With dead ends: 54 [2020-07-17 22:03:07,360 INFO L226 Difference]: Without dead ends: 27 [2020-07-17 22:03:07,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:03:07,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-07-17 22:03:07,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-07-17 22:03:07,464 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:03:07,465 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 27 states. [2020-07-17 22:03:07,466 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-17 22:03:07,466 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-17 22:03:07,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:03:07,473 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-07-17 22:03:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-07-17 22:03:07,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:03:07,474 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:03:07,475 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 27 states. [2020-07-17 22:03:07,475 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 27 states. [2020-07-17 22:03:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:03:07,490 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-07-17 22:03:07,490 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-07-17 22:03:07,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:03:07,491 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:03:07,493 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:03:07,493 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:03:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-07-17 22:03:07,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-07-17 22:03:07,501 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2020-07-17 22:03:07,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:03:07,502 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-07-17 22:03:07,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:03:07,502 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-07-17 22:03:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:03:07,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:03:07,504 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] [2020-07-17 22:03:07,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:03:07,505 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:03:07,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:03:07,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1241118945, now seen corresponding path program 1 times [2020-07-17 22:03:07,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:03:07,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808193802] [2020-07-17 22:03:07,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:03:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:03:07,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:03:07,763 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.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.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) [2020-07-17 22:03:07,770 INFO L168 Benchmark]: Toolchain (without parser) took 2708.61 ms. Allocated memory was 137.9 MB in the beginning and 234.4 MB in the end (delta: 96.5 MB). Free memory was 102.1 MB in the beginning and 157.0 MB in the end (delta: -54.9 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:03:07,771 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:03:07,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.38 ms. Allocated memory was 137.9 MB in the beginning and 206.0 MB in the end (delta: 68.2 MB). Free memory was 101.7 MB in the beginning and 184.9 MB in the end (delta: -83.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:03:07,773 INFO L168 Benchmark]: Boogie Preprocessor took 130.78 ms. Allocated memory is still 206.0 MB. Free memory was 184.9 MB in the beginning and 181.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:03:07,774 INFO L168 Benchmark]: RCFGBuilder took 613.47 ms. Allocated memory is still 206.0 MB. Free memory was 181.5 MB in the beginning and 150.0 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:03:07,779 INFO L168 Benchmark]: TraceAbstraction took 1476.49 ms. Allocated memory was 206.0 MB in the beginning and 234.4 MB in the end (delta: 28.3 MB). Free memory was 150.0 MB in the beginning and 157.0 MB in the end (delta: -7.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:03:07,786 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 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 480.38 ms. Allocated memory was 137.9 MB in the beginning and 206.0 MB in the end (delta: 68.2 MB). Free memory was 101.7 MB in the beginning and 184.9 MB in the end (delta: -83.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.78 ms. Allocated memory is still 206.0 MB. Free memory was 184.9 MB in the beginning and 181.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 613.47 ms. Allocated memory is still 206.0 MB. Free memory was 181.5 MB in the beginning and 150.0 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1476.49 ms. Allocated memory was 206.0 MB in the beginning and 234.4 MB in the end (delta: 28.3 MB). Free memory was 150.0 MB in the beginning and 157.0 MB in the end (delta: -7.0 MB). Peak memory consumption was 21.3 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...