java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label07_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:34:20,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:34:20,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:34:20,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:34:20,984 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:34:20,985 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:34:20,989 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:34:20,992 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:34:20,993 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:34:20,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:34:20,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:34:20,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:34:20,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:34:20,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:34:20,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:34:20,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:34:21,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:34:21,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:34:21,004 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:34:21,005 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:34:21,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:34:21,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:34:21,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 23:34:21,010 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 23:34:21,011 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 23:34:21,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 23:34:21,013 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 23:34:21,013 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 23:34:21,014 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 23:34:21,015 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 23:34:21,015 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 23:34:21,016 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 23:34:21,016 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 23:34:21,017 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 23:34:21,018 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 23:34:21,018 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 23:34:21,019 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-24 23:34:21,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:34:21,034 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:34:21,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:34:21,036 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:34:21,036 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:34:21,036 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:34:21,036 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:34:21,036 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:34:21,037 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:34:21,037 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:34:21,037 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:34:21,037 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:34:21,037 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:34:21,037 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:34:21,038 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:34:21,038 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:34:21,038 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:34:21,039 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:34:21,042 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:34:21,042 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:34:21,042 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:34:21,042 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:34:21,043 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:34:21,043 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:34:21,043 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:34:21,044 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:34:21,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:34:21,044 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:34:21,044 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:34:21,044 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:34:21,045 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:34:21,045 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:34:21,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:34:21,045 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:34:21,045 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:34:21,046 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:34:21,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:34:21,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:34:21,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:34:21,117 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:34:21,118 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:34:21,119 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label07_false-unreach-call.c [2018-10-24 23:34:21,178 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8f0a3021e/be91ce0c178847ea9fc980071e04d2fe/FLAGfab98480a [2018-10-24 23:34:22,024 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:34:22,024 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label07_false-unreach-call.c [2018-10-24 23:34:22,055 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8f0a3021e/be91ce0c178847ea9fc980071e04d2fe/FLAGfab98480a [2018-10-24 23:34:22,070 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/8f0a3021e/be91ce0c178847ea9fc980071e04d2fe [2018-10-24 23:34:22,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:34:22,083 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:34:22,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:34:22,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:34:22,088 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:34:22,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:34:22" (1/1) ... [2018-10-24 23:34:22,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceffb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:22, skipping insertion in model container [2018-10-24 23:34:22,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:34:22" (1/1) ... [2018-10-24 23:34:22,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:34:22,273 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:34:23,977 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:34:23,984 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:34:24,752 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:34:24,789 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:34:24,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24 WrapperNode [2018-10-24 23:34:24,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:34:24,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:34:24,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:34:24,791 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:34:24,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:24,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:34:25,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:34:25,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:34:25,371 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:34:25,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:34:25,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:34:25,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:34:25,685 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:34:25,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 23:34:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:34:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:34:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 23:34:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 23:34:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 23:34:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 23:34:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 23:34:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 23:34:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:34:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:34:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:34:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:34:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:34:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:34:36,849 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:34:36,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:34:36 BoogieIcfgContainer [2018-10-24 23:34:36,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:34:36,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:34:36,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:34:36,855 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:34:36,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:34:22" (1/3) ... [2018-10-24 23:34:36,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1066201f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:34:36, skipping insertion in model container [2018-10-24 23:34:36,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (2/3) ... [2018-10-24 23:34:36,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1066201f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:34:36, skipping insertion in model container [2018-10-24 23:34:36,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:34:36" (3/3) ... [2018-10-24 23:34:36,859 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label07_false-unreach-call.c [2018-10-24 23:34:36,870 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:34:36,882 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:34:36,901 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:34:36,948 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:34:36,948 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:34:36,948 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:34:36,948 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:34:36,949 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:34:36,949 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:34:36,949 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:34:36,949 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:34:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 23:34:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-24 23:34:37,003 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:34:37,004 INFO L375 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] [2018-10-24 23:34:37,006 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:34:37,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:34:37,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1099869660, now seen corresponding path program 1 times [2018-10-24 23:34:37,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:34:37,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:37,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:34:37,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:37,069 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:34:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:34:37,453 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:34:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:34:37,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:34:37,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:34:37,550 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:34:37,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:34:37,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:34:37,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:34:37,576 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 23:34:47,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:34:47,552 INFO L93 Difference]: Finished difference Result 3104 states and 5729 transitions. [2018-10-24 23:34:47,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:34:47,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-10-24 23:34:47,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:34:47,601 INFO L225 Difference]: With dead ends: 3104 [2018-10-24 23:34:47,601 INFO L226 Difference]: Without dead ends: 1982 [2018-10-24 23:34:47,614 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:34:47,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2018-10-24 23:34:47,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1965. [2018-10-24 23:34:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2018-10-24 23:34:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 3515 transitions. [2018-10-24 23:34:47,788 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 3515 transitions. Word has length 28 [2018-10-24 23:34:47,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:34:47,788 INFO L481 AbstractCegarLoop]: Abstraction has 1965 states and 3515 transitions. [2018-10-24 23:34:47,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:34:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 3515 transitions. [2018-10-24 23:34:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-24 23:34:47,799 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:34:47,800 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:34:47,800 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:34:47,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:34:47,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1366067688, now seen corresponding path program 1 times [2018-10-24 23:34:47,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:34:47,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:47,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:34:47,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:47,804 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:34:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:34:48,145 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:34:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:34:48,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:34:48,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 23:34:48,254 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:34:48,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 23:34:48,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 23:34:48,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 23:34:48,257 INFO L87 Difference]: Start difference. First operand 1965 states and 3515 transitions. Second operand 5 states. [2018-10-24 23:35:02,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:35:02,484 INFO L93 Difference]: Finished difference Result 5645 states and 10294 transitions. [2018-10-24 23:35:02,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:35:02,487 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2018-10-24 23:35:02,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:35:02,518 INFO L225 Difference]: With dead ends: 5645 [2018-10-24 23:35:02,518 INFO L226 Difference]: Without dead ends: 3686 [2018-10-24 23:35:02,526 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 23:35:02,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2018-10-24 23:35:02,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3654. [2018-10-24 23:35:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3654 states. [2018-10-24 23:35:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5961 transitions. [2018-10-24 23:35:02,645 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5961 transitions. Word has length 98 [2018-10-24 23:35:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:35:02,645 INFO L481 AbstractCegarLoop]: Abstraction has 3654 states and 5961 transitions. [2018-10-24 23:35:02,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 23:35:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5961 transitions. [2018-10-24 23:35:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-24 23:35:02,650 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:35:02,650 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:35:02,651 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:35:02,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:35:02,651 INFO L82 PathProgramCache]: Analyzing trace with hash -230880332, now seen corresponding path program 1 times [2018-10-24 23:35:02,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:35:02,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:35:02,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:35:02,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:35:02,653 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:35:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:35:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:35:02,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:35:02,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 23:35:02,926 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:35:02,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 23:35:02,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 23:35:02,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 23:35:02,928 INFO L87 Difference]: Start difference. First operand 3654 states and 5961 transitions. Second operand 5 states. [2018-10-24 23:35:17,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:35:17,650 INFO L93 Difference]: Finished difference Result 10938 states and 18367 transitions. [2018-10-24 23:35:17,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 23:35:17,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2018-10-24 23:35:17,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:35:17,695 INFO L225 Difference]: With dead ends: 10938 [2018-10-24 23:35:17,695 INFO L226 Difference]: Without dead ends: 7290 [2018-10-24 23:35:17,710 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 23:35:17,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7290 states. [2018-10-24 23:35:17,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7290 to 7135. [2018-10-24 23:35:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7135 states. [2018-10-24 23:35:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7135 states to 7135 states and 10864 transitions. [2018-10-24 23:35:17,913 INFO L78 Accepts]: Start accepts. Automaton has 7135 states and 10864 transitions. Word has length 100 [2018-10-24 23:35:17,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:35:17,914 INFO L481 AbstractCegarLoop]: Abstraction has 7135 states and 10864 transitions. [2018-10-24 23:35:17,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 23:35:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 7135 states and 10864 transitions. [2018-10-24 23:35:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-24 23:35:17,924 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:35:17,924 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:35:17,924 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:35:17,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:35:17,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1909063656, now seen corresponding path program 1 times [2018-10-24 23:35:17,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:35:17,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:35:17,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:35:17,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:35:17,928 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:35:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:35:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 23:35:18,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:35:18,378 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:35:18,379 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 123 with the following transitions: [2018-10-24 23:35:18,382 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2751], [2753], [2756], [2764], [2772], [2780], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3237], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 23:35:18,452 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:35:18,452 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:35:18,982 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:35:18,984 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 23:35:19,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:35:19,014 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:35:19,434 INFO L232 lantSequenceWeakener]: Weakened 116 states. On average, predicates are now at 70.91% of their original sizes. [2018-10-24 23:35:19,434 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:35:19,705 INFO L413 sIntCurrentIteration]: We have 121 unified AI predicates [2018-10-24 23:35:19,705 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:35:19,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:35:19,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-10-24 23:35:19,706 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:35:19,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:35:19,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:35:19,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:35:19,708 INFO L87 Difference]: Start difference. First operand 7135 states and 10864 transitions. Second operand 6 states. [2018-10-24 23:35:25,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 23:35:25,891 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger: modulus not positive at java.math.BigInteger.mod(BigInteger.java:2458) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.explicit.ExplicitValueValue.modulo(ExplicitValueValue.java:154) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.explicit.ExplicitValueValue.modulo(ExplicitValueValue.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:100) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:78) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleAssumeStatement(NonrelationalStatementProcessor.java:363) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:160) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:142) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:128) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:362) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:353) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:305) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:369) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:537) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:369) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalTransitionWithValidState(AbsIntHoareTripleChecker.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:249) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:72) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:673) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:602) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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:316) 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) [2018-10-24 23:35:25,904 INFO L168 Benchmark]: Toolchain (without parser) took 63821.26 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -495.4 MB). Peak memory consumption was 800.1 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:25,905 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 23:35:25,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2706.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:25,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 579.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 812.6 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:25,909 INFO L168 Benchmark]: Boogie Preprocessor took 313.35 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:25,910 INFO L168 Benchmark]: RCFGBuilder took 11166.00 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 187.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.8 MB). Peak memory consumption was 665.6 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:25,911 INFO L168 Benchmark]: TraceAbstraction took 49050.75 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 295.2 MB). Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 283.4 MB). Peak memory consumption was 578.6 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:25,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2706.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 579.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 812.6 MB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 313.35 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11166.00 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 187.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 16.8 MB). Peak memory consumption was 665.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49050.75 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 295.2 MB). Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 283.4 MB). Peak memory consumption was 578.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger: modulus not positive de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger: modulus not positive: java.math.BigInteger.mod(BigInteger.java:2458) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...