java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label06_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 16:20:03,066 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 16:20:03,068 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 16:20:03,080 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 16:20:03,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 16:20:03,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 16:20:03,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 16:20:03,085 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 16:20:03,087 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 16:20:03,088 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 16:20:03,089 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 16:20:03,089 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 16:20:03,090 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 16:20:03,091 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 16:20:03,093 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 16:20:03,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 16:20:03,094 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 16:20:03,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 16:20:03,099 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 16:20:03,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 16:20:03,102 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 16:20:03,103 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 16:20:03,106 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 16:20:03,106 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 16:20:03,107 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 16:20:03,108 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 16:20:03,109 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 16:20:03,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 16:20:03,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 16:20:03,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 16:20:03,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 16:20:03,116 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 16:20:03,117 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 16:20:03,117 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 16:20:03,118 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 16:20:03,119 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 16:20:03,119 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 16:20:03,135 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 16:20:03,136 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 16:20:03,137 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 16:20:03,137 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 16:20:03,137 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 16:20:03,138 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 16:20:03,138 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 16:20:03,138 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 16:20:03,138 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 16:20:03,138 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 16:20:03,139 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 16:20:03,139 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 16:20:03,139 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 16:20:03,140 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 16:20:03,140 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 16:20:03,140 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 16:20:03,140 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 16:20:03,141 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 16:20:03,141 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 16:20:03,141 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 16:20:03,141 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 16:20:03,141 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 16:20:03,142 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 16:20:03,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 16:20:03,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 16:20:03,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 16:20:03,142 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 16:20:03,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 16:20:03,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 16:20:03,143 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 16:20:03,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 16:20:03,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 16:20:03,144 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 16:20:03,144 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 16:20:03,144 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 16:20:03,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 16:20:03,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 16:20:03,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 16:20:03,213 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 16:20:03,214 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 16:20:03,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label06_false-unreach-call.c [2018-11-12 16:20:03,285 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1f4ad94/08bee2f60fc848c2a53fc48ff5aba576/FLAG61a4aa2ca [2018-11-12 16:20:04,080 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 16:20:04,081 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label06_false-unreach-call.c [2018-11-12 16:20:04,119 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1f4ad94/08bee2f60fc848c2a53fc48ff5aba576/FLAG61a4aa2ca [2018-11-12 16:20:04,142 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f1f4ad94/08bee2f60fc848c2a53fc48ff5aba576 [2018-11-12 16:20:04,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 16:20:04,156 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 16:20:04,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 16:20:04,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 16:20:04,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 16:20:04,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:20:04" (1/1) ... [2018-11-12 16:20:04,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb9594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:04, skipping insertion in model container [2018-11-12 16:20:04,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:20:04" (1/1) ... [2018-11-12 16:20:04,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 16:20:04,376 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 16:20:05,859 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:20:05,864 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 16:20:06,642 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 16:20:06,681 INFO L193 MainTranslator]: Completed translation [2018-11-12 16:20:06,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06 WrapperNode [2018-11-12 16:20:06,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 16:20:06,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 16:20:06,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 16:20:06,683 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 16:20:06,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... [2018-11-12 16:20:07,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... [2018-11-12 16:20:07,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 16:20:07,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 16:20:07,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 16:20:07,066 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 16:20:07,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... [2018-11-12 16:20:07,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... [2018-11-12 16:20:07,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... [2018-11-12 16:20:07,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... [2018-11-12 16:20:07,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... [2018-11-12 16:20:07,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... [2018-11-12 16:20:07,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... [2018-11-12 16:20:07,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 16:20:07,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 16:20:07,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 16:20:07,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 16:20:07,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 16:20:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 16:20:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 16:20:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 16:20:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-12 16:20:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-12 16:20:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-12 16:20:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-12 16:20:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-12 16:20:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-12 16:20:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 16:20:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 16:20:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 16:20:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 16:20:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 16:20:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 16:20:17,426 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 16:20:17,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:20:17 BoogieIcfgContainer [2018-11-12 16:20:17,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 16:20:17,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 16:20:17,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 16:20:17,431 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 16:20:17,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:20:04" (1/3) ... [2018-11-12 16:20:17,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a71db30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:20:17, skipping insertion in model container [2018-11-12 16:20:17,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:20:06" (2/3) ... [2018-11-12 16:20:17,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a71db30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:20:17, skipping insertion in model container [2018-11-12 16:20:17,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:20:17" (3/3) ... [2018-11-12 16:20:17,435 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label06_false-unreach-call.c [2018-11-12 16:20:17,445 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 16:20:17,457 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 16:20:17,475 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 16:20:17,529 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 16:20:17,529 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 16:20:17,529 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 16:20:17,530 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 16:20:17,530 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 16:20:17,530 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 16:20:17,530 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 16:20:17,530 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 16:20:17,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-12 16:20:17,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-12 16:20:17,601 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:20:17,602 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] [2018-11-12 16:20:17,604 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:20:17,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:20:17,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1761765804, now seen corresponding path program 1 times [2018-11-12 16:20:17,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:20:17,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:20:17,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:20:17,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:20:17,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:20:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:20:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:20:18,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:20:18,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 16:20:18,173 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:20:18,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 16:20:18,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 16:20:18,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 16:20:18,200 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-11-12 16:20:27,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:20:27,509 INFO L93 Difference]: Finished difference Result 3101 states and 5730 transitions. [2018-11-12 16:20:27,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 16:20:27,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-12 16:20:27,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:20:27,546 INFO L225 Difference]: With dead ends: 3101 [2018-11-12 16:20:27,547 INFO L226 Difference]: Without dead ends: 1979 [2018-11-12 16:20:27,559 INFO L604 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 [2018-11-12 16:20:27,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2018-11-12 16:20:27,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1959. [2018-11-12 16:20:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-11-12 16:20:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 3535 transitions. [2018-11-12 16:20:27,723 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 3535 transitions. Word has length 32 [2018-11-12 16:20:27,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:20:27,724 INFO L480 AbstractCegarLoop]: Abstraction has 1959 states and 3535 transitions. [2018-11-12 16:20:27,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 16:20:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3535 transitions. [2018-11-12 16:20:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-12 16:20:27,733 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:20:27,736 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] [2018-11-12 16:20:27,736 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:20:27,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:20:27,737 INFO L82 PathProgramCache]: Analyzing trace with hash -2144434788, now seen corresponding path program 1 times [2018-11-12 16:20:27,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:20:27,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:20:27,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:20:27,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:20:27,739 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:20:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:20:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:20:28,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:20:28,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 16:20:28,082 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:20:28,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 16:20:28,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 16:20:28,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-12 16:20:28,088 INFO L87 Difference]: Start difference. First operand 1959 states and 3535 transitions. Second operand 5 states. [2018-11-12 16:20:41,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:20:41,666 INFO L93 Difference]: Finished difference Result 5711 states and 10461 transitions. [2018-11-12 16:20:41,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-12 16:20:41,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2018-11-12 16:20:41,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:20:41,696 INFO L225 Difference]: With dead ends: 5711 [2018-11-12 16:20:41,696 INFO L226 Difference]: Without dead ends: 3758 [2018-11-12 16:20:41,704 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-12 16:20:41,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3758 states. [2018-11-12 16:20:41,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3758 to 3675. [2018-11-12 16:20:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3675 states. [2018-11-12 16:20:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3675 states to 3675 states and 6038 transitions. [2018-11-12 16:20:41,838 INFO L78 Accepts]: Start accepts. Automaton has 3675 states and 6038 transitions. Word has length 108 [2018-11-12 16:20:41,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:20:41,839 INFO L480 AbstractCegarLoop]: Abstraction has 3675 states and 6038 transitions. [2018-11-12 16:20:41,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 16:20:41,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 6038 transitions. [2018-11-12 16:20:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-12 16:20:41,848 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:20:41,848 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] [2018-11-12 16:20:41,849 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:20:41,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:20:41,850 INFO L82 PathProgramCache]: Analyzing trace with hash -627646201, now seen corresponding path program 1 times [2018-11-12 16:20:41,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:20:41,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:20:41,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:20:41,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:20:41,852 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:20:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:20:42,138 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 16:20:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 16:20:42,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 16:20:42,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 16:20:42,463 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:20:42,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 16:20:42,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 16:20:42,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 16:20:42,465 INFO L87 Difference]: Start difference. First operand 3675 states and 6038 transitions. Second operand 6 states. [2018-11-12 16:20:50,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 16:20:50,338 INFO L93 Difference]: Finished difference Result 10853 states and 18390 transitions. [2018-11-12 16:20:50,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 16:20:50,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-12 16:20:50,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 16:20:50,399 INFO L225 Difference]: With dead ends: 10853 [2018-11-12 16:20:50,400 INFO L226 Difference]: Without dead ends: 7184 [2018-11-12 16:20:50,415 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 16:20:50,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7184 states. [2018-11-12 16:20:50,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7184 to 7133. [2018-11-12 16:20:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7133 states. [2018-11-12 16:20:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7133 states to 7133 states and 10916 transitions. [2018-11-12 16:20:50,628 INFO L78 Accepts]: Start accepts. Automaton has 7133 states and 10916 transitions. Word has length 109 [2018-11-12 16:20:50,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 16:20:50,628 INFO L480 AbstractCegarLoop]: Abstraction has 7133 states and 10916 transitions. [2018-11-12 16:20:50,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 16:20:50,629 INFO L276 IsEmpty]: Start isEmpty. Operand 7133 states and 10916 transitions. [2018-11-12 16:20:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-12 16:20:50,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 16:20:50,638 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] [2018-11-12 16:20:50,638 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 16:20:50,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:20:50,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1590975552, now seen corresponding path program 1 times [2018-11-12 16:20:50,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 16:20:50,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:20:50,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 16:20:50,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 16:20:50,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 16:20:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 16:20:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-12 16:20:51,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 16:20:51,117 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 16:20:51,118 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-11-12 16:20:51,121 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] [2018-11-12 16:20:51,199 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 16:20:51,200 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 16:20:52,786 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 16:20:52,787 INFO L272 AbstractInterpreter]: Visited 108 different actions 311 times. Merged at 5 different actions 9 times. Never widened. Performed 5596 root evaluator evaluations with a maximum evaluation depth of 6. Performed 5596 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-12 16:20:52,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 16:20:52,832 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 16:20:53,392 INFO L227 lantSequenceWeakener]: Weakened 80 states. On average, predicates are now at 72.01% of their original sizes. [2018-11-12 16:20:53,392 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 16:20:53,801 INFO L415 sIntCurrentIteration]: We unified 132 AI predicates to 132 [2018-11-12 16:20:53,802 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 16:20:53,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 16:20:53,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [5] total 20 [2018-11-12 16:20:53,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 16:20:53,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-12 16:20:53,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-12 16:20:53,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2018-11-12 16:20:53,805 INFO L87 Difference]: Start difference. First operand 7133 states and 10916 transitions. Second operand 17 states. [2018-11-12 16:21:12,887 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-12 16:23:27,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-12 16:23:27,269 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-12 16:23:27,274 WARN L205 ceAbstractionStarter]: Timeout [2018-11-12 16:23:27,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:23:27 BoogieIcfgContainer [2018-11-12 16:23:27,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 16:23:27,275 INFO L168 Benchmark]: Toolchain (without parser) took 203120.16 ms. Allocated memory was 1.5 GB in the beginning and 7.6 GB in the end (delta: 6.1 GB). Free memory was 1.4 GB in the beginning and 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 7.1 GB. [2018-11-12 16:23:27,277 INFO L168 Benchmark]: CDTParser took 0.27 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. [2018-11-12 16:23:27,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2523.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 256.3 MB). Peak memory consumption was 256.3 MB. Max. memory is 7.1 GB. [2018-11-12 16:23:27,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 383.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 811.6 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2018-11-12 16:23:27,280 INFO L168 Benchmark]: Boogie Preprocessor took 333.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2018-11-12 16:23:27,281 INFO L168 Benchmark]: RCFGBuilder took 10027.71 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 155.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 30.3 MB). Peak memory consumption was 659.3 MB. Max. memory is 7.1 GB. [2018-11-12 16:23:27,282 INFO L168 Benchmark]: TraceAbstraction took 189846.72 ms. Allocated memory was 2.5 GB in the beginning and 7.6 GB in the end (delta: 5.1 GB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.6 GB. Max. memory is 7.1 GB. [2018-11-12 16:23:27,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 2523.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 256.3 MB). Peak memory consumption was 256.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 383.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 811.6 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 333.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10027.71 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 155.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 30.3 MB). Peak memory consumption was 659.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 189846.72 ms. Allocated memory was 2.5 GB in the beginning and 7.6 GB in the end (delta: 5.1 GB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.6 GB. 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 (7133states) and FLOYD_HOARE automaton (currently 18 states, 17 states before enhancement),while ReachableStatesComputation was computing reachable states (13676 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 189.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 184.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2338 SDtfs, 12711 SDslu, 2356 SDs, 0 SdLazy, 28256 SolverSat, 4298 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 169 GetRequests, 125 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7133occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9968125424202496 AbsIntWeakeningRatio, 0.1590909090909091 AbsIntAvgWeakeningVarsNumRemoved, 12.43939393939394 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, 1.5s 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