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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label06_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 22:17:37,105 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 22:17:37,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 22:17:37,125 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 22:17:37,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 22:17:37,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 22:17:37,128 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 22:17:37,132 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 22:17:37,134 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 22:17:37,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 22:17:37,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 22:17:37,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 22:17:37,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 22:17:37,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 22:17:37,139 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 22:17:37,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 22:17:37,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 22:17:37,143 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 22:17:37,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 22:17:37,147 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 22:17:37,148 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 22:17:37,149 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 22:17:37,152 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 22:17:37,152 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 22:17:37,153 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 22:17:37,154 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 22:17:37,155 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 22:17:37,156 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 22:17:37,157 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 22:17:37,158 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 22:17:37,158 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 22:17:37,159 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 22:17:37,159 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 22:17:37,160 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 22:17:37,161 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 22:17:37,161 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 22:17:37,162 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-23 22:17:37,177 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 22:17:37,178 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 22:17:37,179 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 22:17:37,179 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 22:17:37,179 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 22:17:37,179 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 22:17:37,180 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 22:17:37,180 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 22:17:37,180 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 22:17:37,180 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 22:17:37,180 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 22:17:37,181 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 22:17:37,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 22:17:37,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 22:17:37,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 22:17:37,182 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 22:17:37,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 22:17:37,182 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 22:17:37,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 22:17:37,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 22:17:37,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 22:17:37,183 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 22:17:37,184 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 22:17:37,184 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 22:17:37,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:17:37,184 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 22:17:37,184 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 22:17:37,185 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 22:17:37,185 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 22:17:37,185 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 22:17:37,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 22:17:37,185 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 22:17:37,185 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 22:17:37,186 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 22:17:37,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 22:17:37,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 22:17:37,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 22:17:37,257 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 22:17:37,257 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 22:17:37,258 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label06_false-unreach-call.c [2018-10-23 22:17:37,326 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/93c04028d/abb5de3b8ba24153a449a3b70a2bf65b/FLAGc7c299453 [2018-10-23 22:17:38,116 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 22:17:38,117 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label06_false-unreach-call.c [2018-10-23 22:17:38,151 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/93c04028d/abb5de3b8ba24153a449a3b70a2bf65b/FLAGc7c299453 [2018-10-23 22:17:38,167 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/93c04028d/abb5de3b8ba24153a449a3b70a2bf65b [2018-10-23 22:17:38,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 22:17:38,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 22:17:38,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 22:17:38,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 22:17:38,187 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 22:17:38,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:17:38" (1/1) ... [2018-10-23 22:17:38,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a445e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:38, skipping insertion in model container [2018-10-23 22:17:38,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:17:38" (1/1) ... [2018-10-23 22:17:38,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 22:17:38,398 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 22:17:39,860 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:17:39,865 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 22:17:40,568 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:17:40,605 INFO L193 MainTranslator]: Completed translation [2018-10-23 22:17:40,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40 WrapperNode [2018-10-23 22:17:40,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 22:17:40,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 22:17:40,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 22:17:40,608 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 22:17:40,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (1/1) ... [2018-10-23 22:17:40,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (1/1) ... [2018-10-23 22:17:41,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 22:17:41,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 22:17:41,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 22:17:41,211 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 22:17:41,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (1/1) ... [2018-10-23 22:17:41,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (1/1) ... [2018-10-23 22:17:41,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (1/1) ... [2018-10-23 22:17:41,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (1/1) ... [2018-10-23 22:17:41,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (1/1) ... [2018-10-23 22:17:41,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (1/1) ... [2018-10-23 22:17:41,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (1/1) ... [2018-10-23 22:17:41,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 22:17:41,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 22:17:41,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 22:17:41,574 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 22:17:41,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (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 [2018-10-23 22:17:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 22:17:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 22:17:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-23 22:17:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-23 22:17:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-23 22:17:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-23 22:17:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-23 22:17:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-23 22:17:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 22:17:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 22:17:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 22:17:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 22:17:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 22:17:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 22:17:53,930 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 22:17:53,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:17:53 BoogieIcfgContainer [2018-10-23 22:17:53,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 22:17:53,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 22:17:53,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 22:17:53,935 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 22:17:53,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:17:38" (1/3) ... [2018-10-23 22:17:53,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48096e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:17:53, skipping insertion in model container [2018-10-23 22:17:53,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:17:40" (2/3) ... [2018-10-23 22:17:53,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48096e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:17:53, skipping insertion in model container [2018-10-23 22:17:53,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:17:53" (3/3) ... [2018-10-23 22:17:53,939 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label06_false-unreach-call.c [2018-10-23 22:17:53,949 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 22:17:53,959 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 22:17:53,977 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 22:17:54,028 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 22:17:54,029 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 22:17:54,029 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 22:17:54,029 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 22:17:54,029 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 22:17:54,029 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 22:17:54,030 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 22:17:54,031 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 22:17:54,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-23 22:17:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-23 22:17:54,090 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:17:54,092 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, 1, 1, 1, 1] [2018-10-23 22:17:54,094 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:17:54,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:17:54,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1761765804, now seen corresponding path program 1 times [2018-10-23 22:17:54,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:17:54,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:17:54,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:17:54,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:17:54,162 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:17:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:17:54,580 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 22:17:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:17:54,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:17:54,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 22:17:54,703 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:17:54,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 22:17:54,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 22:17:54,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 22:17:54,731 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-23 22:18:04,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:18:04,223 INFO L93 Difference]: Finished difference Result 3101 states and 5730 transitions. [2018-10-23 22:18:04,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 22:18:04,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-10-23 22:18:04,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:18:04,261 INFO L225 Difference]: With dead ends: 3101 [2018-10-23 22:18:04,261 INFO L226 Difference]: Without dead ends: 1979 [2018-10-23 22:18:04,271 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 [2018-10-23 22:18:04,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2018-10-23 22:18:04,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1959. [2018-10-23 22:18:04,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-10-23 22:18:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 3535 transitions. [2018-10-23 22:18:04,447 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 3535 transitions. Word has length 32 [2018-10-23 22:18:04,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:18:04,448 INFO L481 AbstractCegarLoop]: Abstraction has 1959 states and 3535 transitions. [2018-10-23 22:18:04,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 22:18:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3535 transitions. [2018-10-23 22:18:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-23 22:18:04,454 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:18:04,454 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, 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] [2018-10-23 22:18:04,455 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:18:04,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:18:04,455 INFO L82 PathProgramCache]: Analyzing trace with hash -2144434788, now seen corresponding path program 1 times [2018-10-23 22:18:04,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:18:04,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:18:04,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:18:04,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:18:04,457 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:18:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:18:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:18:04,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:18:04,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 22:18:04,743 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:18:04,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 22:18:04,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 22:18:04,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-23 22:18:04,746 INFO L87 Difference]: Start difference. First operand 1959 states and 3535 transitions. Second operand 5 states. [2018-10-23 22:18:20,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:18:20,426 INFO L93 Difference]: Finished difference Result 5716 states and 10466 transitions. [2018-10-23 22:18:20,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-23 22:18:20,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2018-10-23 22:18:20,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:18:20,455 INFO L225 Difference]: With dead ends: 5716 [2018-10-23 22:18:20,455 INFO L226 Difference]: Without dead ends: 3763 [2018-10-23 22:18:20,463 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 [2018-10-23 22:18:20,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2018-10-23 22:18:20,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3680. [2018-10-23 22:18:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3680 states. [2018-10-23 22:18:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 6043 transitions. [2018-10-23 22:18:20,581 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 6043 transitions. Word has length 108 [2018-10-23 22:18:20,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:18:20,582 INFO L481 AbstractCegarLoop]: Abstraction has 3680 states and 6043 transitions. [2018-10-23 22:18:20,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 22:18:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 6043 transitions. [2018-10-23 22:18:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-23 22:18:20,587 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:18:20,588 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, 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] [2018-10-23 22:18:20,588 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:18:20,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:18:20,588 INFO L82 PathProgramCache]: Analyzing trace with hash -627646201, now seen corresponding path program 1 times [2018-10-23 22:18:20,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:18:20,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:18:20,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:18:20,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:18:20,590 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:18:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:18:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:18:20,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:18:20,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 22:18:20,850 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:18:20,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 22:18:20,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 22:18:20,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 22:18:20,851 INFO L87 Difference]: Start difference. First operand 3680 states and 6043 transitions. Second operand 6 states. [2018-10-23 22:18:32,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:18:32,991 INFO L93 Difference]: Finished difference Result 10859 states and 18394 transitions. [2018-10-23 22:18:32,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:18:32,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-10-23 22:18:32,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:18:33,039 INFO L225 Difference]: With dead ends: 10859 [2018-10-23 22:18:33,039 INFO L226 Difference]: Without dead ends: 7185 [2018-10-23 22:18:33,055 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 22:18:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7185 states. [2018-10-23 22:18:33,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7185 to 7134. [2018-10-23 22:18:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7134 states. [2018-10-23 22:18:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 10915 transitions. [2018-10-23 22:18:33,269 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 10915 transitions. Word has length 109 [2018-10-23 22:18:33,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:18:33,270 INFO L481 AbstractCegarLoop]: Abstraction has 7134 states and 10915 transitions. [2018-10-23 22:18:33,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 22:18:33,271 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 10915 transitions. [2018-10-23 22:18:33,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-23 22:18:33,278 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:18:33,279 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, 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, 1, 1, 1] [2018-10-23 22:18:33,279 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:18:33,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:18:33,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1590975552, now seen corresponding path program 1 times [2018-10-23 22:18:33,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:18:33,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:18:33,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:18:33,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:18:33,283 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:18:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:18:33,699 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-23 22:18:33,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:18:33,700 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:18:33,701 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-10-23 22:18:33,703 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2783], [2785], [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], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-23 22:18:33,782 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:18:33,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:19:10,518 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:19:10,520 INFO L272 AbstractInterpreter]: Visited 108 different actions 720 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-23 22:19:10,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:19:10,537 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:19:13,175 INFO L232 lantSequenceWeakener]: Weakened 23 states. On average, predicates are now at 75.67% of their original sizes. [2018-10-23 22:19:13,176 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 22:19:19,324 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 22:19:19,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 22:19:19,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 17 [2018-10-23 22:19:19,325 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:19:19,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-23 22:19:19,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-23 22:19:19,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-10-23 22:19:19,327 INFO L87 Difference]: Start difference. First operand 7134 states and 10915 transitions. Second operand 14 states. [2018-10-23 22:19:40,861 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-23 22:21:20,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-23 22:21:20,190 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 22:21:20,196 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 22:21:20,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:21:20 BoogieIcfgContainer [2018-10-23 22:21:20,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 22:21:20,197 INFO L168 Benchmark]: Toolchain (without parser) took 222016.46 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 923.5 MB. Max. memory is 7.1 GB. [2018-10-23 22:21:20,199 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 22:21:20,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2423.71 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: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-10-23 22:21:20,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 602.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 795.3 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 83.6 MB. Max. memory is 7.1 GB. [2018-10-23 22:21:20,205 INFO L168 Benchmark]: Boogie Preprocessor took 362.94 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2018-10-23 22:21:20,206 INFO L168 Benchmark]: RCFGBuilder took 12357.16 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 213.4 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -37.5 MB). Peak memory consumption was 695.3 MB. Max. memory is 7.1 GB. [2018-10-23 22:21:20,208 INFO L168 Benchmark]: TraceAbstraction took 206264.63 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: -916.7 MB). Peak memory consumption was 723.3 MB. Max. memory is 7.1 GB. [2018-10-23 22:21:20,218 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2423.71 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: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 602.96 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 795.3 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 83.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 362.94 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12357.16 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 213.4 MB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -37.5 MB). Peak memory consumption was 695.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206264.63 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: -916.7 MB). Peak memory consumption was 723.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 87). Cancelled while BasicCegarLoop was constructing difference of abstraction (7134states) and FLOYD_HOARE automaton (currently 15 states, 14 states before enhancement),while ReachableStatesComputation was computing reachable states (2295 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 206.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 158.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1501 SDtfs, 10079 SDslu, 1369 SDs, 0 SdLazy, 13491 SolverSat, 4122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 94.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 162 GetRequests, 128 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7134occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 36.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9932517482517483 AbsIntWeakeningRatio, 0.1590909090909091 AbsIntAvgWeakeningVarsNumRemoved, 44.053030303030305 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 154 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 382 NumberOfCodeBlocks, 382 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 116265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 54/75 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown