/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 22:09:04,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 22:09:04,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 22:09:04,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 22:09:04,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 22:09:04,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 22:09:04,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 22:09:05,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 22:09:05,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 22:09:05,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 22:09:05,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 22:09:05,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 22:09:05,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 22:09:05,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 22:09:05,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 22:09:05,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 22:09:05,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 22:09:05,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 22:09:05,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 22:09:05,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 22:09:05,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 22:09:05,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 22:09:05,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 22:09:05,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 22:09:05,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 22:09:05,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 22:09:05,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 22:09:05,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 22:09:05,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 22:09:05,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 22:09:05,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 22:09:05,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 22:09:05,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 22:09:05,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 22:09:05,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 22:09:05,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 22:09:05,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 22:09:05,065 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 22:09:05,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 22:09:05,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 22:09:05,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 22:09:05,068 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 22:09:05,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 22:09:05,068 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 22:09:05,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 22:09:05,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 22:09:05,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 22:09:05,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 22:09:05,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 22:09:05,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 22:09:05,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 22:09:05,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 22:09:05,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 22:09:05,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 22:09:05,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 22:09:05,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 22:09:05,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 22:09:05,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 22:09:05,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 22:09:05,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 22:09:05,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 22:09:05,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 22:09:05,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 22:09:05,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 22:09:05,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 22:09:05,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 22:09:05,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 22:09:05,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 22:09:05,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 22:09:05,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 22:09:05,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 22:09:05,383 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 22:09:05,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-11-23 22:09:05,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7a7fa7f/a72d2ac6c23e46639772d9ec36244ad2/FLAGeaf028944 [2019-11-23 22:09:05,893 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 22:09:05,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-11-23 22:09:05,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7a7fa7f/a72d2ac6c23e46639772d9ec36244ad2/FLAGeaf028944 [2019-11-23 22:09:06,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7a7fa7f/a72d2ac6c23e46639772d9ec36244ad2 [2019-11-23 22:09:06,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 22:09:06,254 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 22:09:06,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 22:09:06,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 22:09:06,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 22:09:06,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e884bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06, skipping insertion in model container [2019-11-23 22:09:06,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 22:09:06,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 22:09:06,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:09:06,506 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 22:09:06,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 22:09:06,638 INFO L208 MainTranslator]: Completed translation [2019-11-23 22:09:06,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06 WrapperNode [2019-11-23 22:09:06,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 22:09:06,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 22:09:06,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 22:09:06,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 22:09:06,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 22:09:06,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 22:09:06,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 22:09:06,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 22:09:06,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (1/1) ... [2019-11-23 22:09:06,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 22:09:06,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 22:09:06,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 22:09:06,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 22:09:06,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (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 [2019-11-23 22:09:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 22:09:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 22:09:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 22:09:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 22:09:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 22:09:07,073 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 22:09:07,074 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-23 22:09:07,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:09:07 BoogieIcfgContainer [2019-11-23 22:09:07,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 22:09:07,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 22:09:07,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 22:09:07,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 22:09:07,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:09:06" (1/3) ... [2019-11-23 22:09:07,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f26c405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:09:07, skipping insertion in model container [2019-11-23 22:09:07,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:09:06" (2/3) ... [2019-11-23 22:09:07,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f26c405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:09:07, skipping insertion in model container [2019-11-23 22:09:07,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:09:07" (3/3) ... [2019-11-23 22:09:07,083 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2019-11-23 22:09:07,092 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 22:09:07,098 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-23 22:09:07,109 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-23 22:09:07,133 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 22:09:07,133 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 22:09:07,133 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 22:09:07,133 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 22:09:07,133 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 22:09:07,133 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 22:09:07,134 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 22:09:07,134 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 22:09:07,146 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-11-23 22:09:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-23 22:09:07,150 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:09:07,151 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:09:07,151 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:09:07,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:09:07,157 INFO L82 PathProgramCache]: Analyzing trace with hash -551124073, now seen corresponding path program 1 times [2019-11-23 22:09:07,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:09:07,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516986278] [2019-11-23 22:09:07,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:09:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:09:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:09:07,328 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516986278] [2019-11-23 22:09:07,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:09:07,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:09:07,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650295399] [2019-11-23 22:09:07,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:09:07,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:09:07,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:09:07,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:09:07,346 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 3 states. [2019-11-23 22:09:07,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:09:07,381 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2019-11-23 22:09:07,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:09:07,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-23 22:09:07,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:09:07,391 INFO L225 Difference]: With dead ends: 46 [2019-11-23 22:09:07,392 INFO L226 Difference]: Without dead ends: 29 [2019-11-23 22:09:07,394 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:09:07,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-23 22:09:07,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2019-11-23 22:09:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-23 22:09:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-11-23 22:09:07,429 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 9 [2019-11-23 22:09:07,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:09:07,429 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-11-23 22:09:07,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:09:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2019-11-23 22:09:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 22:09:07,431 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:09:07,431 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:09:07,431 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:09:07,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:09:07,432 INFO L82 PathProgramCache]: Analyzing trace with hash -2085816175, now seen corresponding path program 1 times [2019-11-23 22:09:07,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:09:07,432 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552010609] [2019-11-23 22:09:07,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:09:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:09:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:09:07,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552010609] [2019-11-23 22:09:07,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:09:07,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:09:07,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760942226] [2019-11-23 22:09:07,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:09:07,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:09:07,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:09:07,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:09:07,492 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 3 states. [2019-11-23 22:09:07,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:09:07,548 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2019-11-23 22:09:07,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:09:07,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-11-23 22:09:07,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:09:07,550 INFO L225 Difference]: With dead ends: 54 [2019-11-23 22:09:07,551 INFO L226 Difference]: Without dead ends: 34 [2019-11-23 22:09:07,552 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:09:07,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-23 22:09:07,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 27. [2019-11-23 22:09:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-23 22:09:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2019-11-23 22:09:07,558 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 10 [2019-11-23 22:09:07,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:09:07,559 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2019-11-23 22:09:07,559 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:09:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2019-11-23 22:09:07,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 22:09:07,560 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:09:07,560 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:09:07,560 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:09:07,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:09:07,561 INFO L82 PathProgramCache]: Analyzing trace with hash 2140661612, now seen corresponding path program 1 times [2019-11-23 22:09:07,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:09:07,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26940034] [2019-11-23 22:09:07,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:09:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:09:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:09:07,623 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26940034] [2019-11-23 22:09:07,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:09:07,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 22:09:07,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912157225] [2019-11-23 22:09:07,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 22:09:07,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:09:07,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 22:09:07,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 22:09:07,626 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 4 states. [2019-11-23 22:09:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:09:07,664 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2019-11-23 22:09:07,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 22:09:07,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-23 22:09:07,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:09:07,666 INFO L225 Difference]: With dead ends: 47 [2019-11-23 22:09:07,666 INFO L226 Difference]: Without dead ends: 45 [2019-11-23 22:09:07,667 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 22:09:07,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-23 22:09:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 29. [2019-11-23 22:09:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-23 22:09:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2019-11-23 22:09:07,674 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 10 [2019-11-23 22:09:07,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:09:07,674 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2019-11-23 22:09:07,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 22:09:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2019-11-23 22:09:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-23 22:09:07,675 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:09:07,675 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:09:07,676 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:09:07,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:09:07,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1997962921, now seen corresponding path program 1 times [2019-11-23 22:09:07,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:09:07,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004504542] [2019-11-23 22:09:07,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:09:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:09:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:09:07,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004504542] [2019-11-23 22:09:07,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:09:07,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 22:09:07,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41134114] [2019-11-23 22:09:07,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 22:09:07,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:09:07,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 22:09:07,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:09:07,713 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 3 states. [2019-11-23 22:09:07,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:09:07,760 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2019-11-23 22:09:07,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 22:09:07,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-23 22:09:07,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:09:07,761 INFO L225 Difference]: With dead ends: 50 [2019-11-23 22:09:07,761 INFO L226 Difference]: Without dead ends: 30 [2019-11-23 22:09:07,762 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 22:09:07,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-23 22:09:07,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-23 22:09:07,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-23 22:09:07,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2019-11-23 22:09:07,766 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 11 [2019-11-23 22:09:07,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:09:07,767 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-23 22:09:07,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 22:09:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2019-11-23 22:09:07,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-23 22:09:07,768 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:09:07,768 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:09:07,768 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:09:07,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:09:07,768 INFO L82 PathProgramCache]: Analyzing trace with hash 588886092, now seen corresponding path program 1 times [2019-11-23 22:09:07,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:09:07,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474296327] [2019-11-23 22:09:07,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:09:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:09:08,549 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 38 [2019-11-23 22:09:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:09:08,638 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474296327] [2019-11-23 22:09:08,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:09:08,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-23 22:09:08,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387746767] [2019-11-23 22:09:08,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-23 22:09:08,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:09:08,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-23 22:09:08,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-23 22:09:08,642 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 8 states. [2019-11-23 22:09:08,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:09:08,911 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2019-11-23 22:09:08,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-23 22:09:08,911 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-11-23 22:09:08,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:09:08,912 INFO L225 Difference]: With dead ends: 40 [2019-11-23 22:09:08,912 INFO L226 Difference]: Without dead ends: 25 [2019-11-23 22:09:08,913 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-23 22:09:08,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-23 22:09:08,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-23 22:09:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-23 22:09:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-11-23 22:09:08,918 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 16 [2019-11-23 22:09:08,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:09:08,918 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-11-23 22:09:08,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-23 22:09:08,919 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-11-23 22:09:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-23 22:09:08,919 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:09:08,919 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:09:08,920 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:09:08,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:09:08,920 INFO L82 PathProgramCache]: Analyzing trace with hash 394194232, now seen corresponding path program 1 times [2019-11-23 22:09:08,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:09:08,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396674039] [2019-11-23 22:09:08,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:09:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:09:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:09:08,996 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396674039] [2019-11-23 22:09:08,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 22:09:08,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-23 22:09:08,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107303929] [2019-11-23 22:09:08,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 22:09:08,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:09:08,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 22:09:08,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-23 22:09:08,999 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 6 states. [2019-11-23 22:09:09,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:09:09,079 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2019-11-23 22:09:09,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-23 22:09:09,080 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-23 22:09:09,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:09:09,081 INFO L225 Difference]: With dead ends: 38 [2019-11-23 22:09:09,081 INFO L226 Difference]: Without dead ends: 36 [2019-11-23 22:09:09,081 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-11-23 22:09:09,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-23 22:09:09,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 23. [2019-11-23 22:09:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-23 22:09:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2019-11-23 22:09:09,091 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 17 [2019-11-23 22:09:09,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:09:09,091 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2019-11-23 22:09:09,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 22:09:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-11-23 22:09:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-23 22:09:09,093 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 22:09:09,093 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 22:09:09,093 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 22:09:09,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 22:09:09,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1016031163, now seen corresponding path program 1 times [2019-11-23 22:09:09,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 22:09:09,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43757325] [2019-11-23 22:09:09,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 22:09:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:09:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:09:09,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43757325] [2019-11-23 22:09:09,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288170371] [2019-11-23 22:09:09,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:09:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 22:09:09,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-23 22:09:09,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 22:09:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 22:09:09,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-23 22:09:09,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2019-11-23 22:09:09,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63291961] [2019-11-23 22:09:09,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-23 22:09:09,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 22:09:09,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-23 22:09:09,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-23 22:09:09,766 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 7 states. [2019-11-23 22:09:13,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 22:09:13,137 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2019-11-23 22:09:13,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 22:09:13,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-11-23 22:09:13,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 22:09:13,138 INFO L225 Difference]: With dead ends: 26 [2019-11-23 22:09:13,138 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 22:09:13,139 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-23 22:09:13,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 22:09:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 22:09:13,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 22:09:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 22:09:13,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-23 22:09:13,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 22:09:13,140 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 22:09:13,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-23 22:09:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 22:09:13,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 22:09:13,341 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 22:09:13,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 22:09:13,580 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-11-23 22:09:16,983 WARN L192 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-11-23 22:09:17,115 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-11-23 22:09:17,147 INFO L447 ceAbstractionStarter]: At program point L126(lines 93 127) the Hoare annotation is: true [2019-11-23 22:09:17,148 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 68) no Hoare annotation was computed. [2019-11-23 22:09:17,148 INFO L440 ceAbstractionStarter]: At program point L151(lines 21 152) the Hoare annotation is: (or (and (<= (+ (* 4294967296 (div (+ (* ULTIMATE.start_main_~main__index2~0 (- 1)) ULTIMATE.start_main_~main__index1~0 (* (div (+ ULTIMATE.start_main_~main__index2~0 4294867297) 4294967296) 4294967296) 4294967294) 4294967296)) 1) ULTIMATE.start_main_~main__index1~0) (= 1 ULTIMATE.start_main_~__VERIFIER_assert__cond~0) (let ((.cse6 (div ULTIMATE.start_main_~main__index2~0 4294967296)) (.cse5 (div ULTIMATE.start_main_~main__index1~0 4294967296))) (or (let ((.cse4 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0.base|))) (let ((.cse2 (select .cse4 (+ (* ULTIMATE.start_main_~main__index2~0 4) (* .cse6 (- 17179869184)) |ULTIMATE.start_main_~#main__array~0.offset|))) (.cse3 (select .cse4 (+ (* ULTIMATE.start_main_~main__index1~0 4) (* .cse5 (- 17179869184)) |ULTIMATE.start_main_~#main__array~0.offset|)))) (let ((.cse1 (+ .cse2 (* 4294967296 (div .cse3 4294967296)))) (.cse0 (+ (* 4294967296 (div .cse2 4294967296)) .cse3))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))))) (<= (+ ULTIMATE.start_main_~main__index1~0 (* 4294967296 .cse6)) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 .cse5)))))) (= ULTIMATE.start_main_~main__loop_entered~0 0)) [2019-11-23 22:09:17,148 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 128) no Hoare annotation was computed. [2019-11-23 22:09:17,148 INFO L444 ceAbstractionStarter]: For program point L19(lines 19 157) no Hoare annotation was computed. [2019-11-23 22:09:17,149 INFO L440 ceAbstractionStarter]: At program point L114(lines 94 123) the Hoare annotation is: (let ((.cse7 (div ULTIMATE.start_main_~main__index2~0 4294967296)) (.cse6 (div ULTIMATE.start_main_~main__index1~0 4294967296))) (let ((.cse9 (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 .cse6))) (.cse8 (* 4294967296 .cse7)) (.cse0 (= 1 ULTIMATE.start_main_~__VERIFIER_assert__cond~0))) (or (and (<= (+ (* 4294967296 (div (+ (* ULTIMATE.start_main_~main__index2~0 (- 1)) ULTIMATE.start_main_~main__index1~0 (* (div (+ ULTIMATE.start_main_~main__index2~0 4294867297) 4294967296) 4294967296) 4294967294) 4294967296)) 1) ULTIMATE.start_main_~main__index1~0) .cse0 (or (let ((.cse5 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0.base|))) (let ((.cse3 (select .cse5 (+ (* ULTIMATE.start_main_~main__index2~0 4) (* .cse7 (- 17179869184)) |ULTIMATE.start_main_~#main__array~0.offset|))) (.cse4 (select .cse5 (+ (* ULTIMATE.start_main_~main__index1~0 4) (* .cse6 (- 17179869184)) |ULTIMATE.start_main_~#main__array~0.offset|)))) (let ((.cse2 (+ .cse3 (* 4294967296 (div .cse4 4294967296)))) (.cse1 (+ (* 4294967296 (div .cse3 4294967296)) .cse4))) (and (<= .cse1 .cse2) (<= .cse2 .cse1))))) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse8) .cse9))) (and (not (= 0 ULTIMATE.start_main_~__VERIFIER_assert__cond~2)) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse8 1) .cse9) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse8 99999)) .cse0)))) [2019-11-23 22:09:17,149 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 22:09:17,149 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 22:09:17,149 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 22:09:17,149 INFO L444 ceAbstractionStarter]: For program point L57(lines 57 83) no Hoare annotation was computed. [2019-11-23 22:09:17,149 INFO L444 ceAbstractionStarter]: For program point L24(lines 24 147) no Hoare annotation was computed. [2019-11-23 22:09:17,149 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2019-11-23 22:09:17,151 INFO L440 ceAbstractionStarter]: At program point L82(lines 57 83) the Hoare annotation is: (and (<= (+ ULTIMATE.start_main_~main__index1~0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)) 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (<= (+ (* 4294967296 (div (+ (* ULTIMATE.start_main_~main__index2~0 (- 1)) ULTIMATE.start_main_~main__index1~0 (* (div (+ ULTIMATE.start_main_~main__index2~0 4294867297) 4294967296) 4294967296) 4294967294) 4294967296)) 1) ULTIMATE.start_main_~main__index1~0) (= 1 ULTIMATE.start_main_~__VERIFIER_assert__cond~0) (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0))) [2019-11-23 22:09:17,151 INFO L444 ceAbstractionStarter]: For program point L16(lines 16 162) no Hoare annotation was computed. [2019-11-23 22:09:17,151 INFO L444 ceAbstractionStarter]: For program point L45(lines 45 133) no Hoare annotation was computed. [2019-11-23 22:09:17,152 INFO L440 ceAbstractionStarter]: At program point L74(lines 41 134) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (let ((.cse1 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999))) (.cse2 (= 1 ULTIMATE.start_main_~__VERIFIER_assert__cond~0))) (or (and .cse1 (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) .cse2) (and .cse1 (not (= 0 ULTIMATE.start_main_~__VERIFIER_assert__cond~1)) .cse2 (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0))))))) [2019-11-23 22:09:17,152 INFO L444 ceAbstractionStarter]: For program point L103(lines 103 115) no Hoare annotation was computed. [2019-11-23 22:09:17,152 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-23 22:09:17,152 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 75) no Hoare annotation was computed. [2019-11-23 22:09:17,152 INFO L447 ceAbstractionStarter]: At program point L161(lines 9 163) the Hoare annotation is: true [2019-11-23 22:09:17,152 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 22:09:17,152 INFO L440 ceAbstractionStarter]: At program point L87(lines 55 88) the Hoare annotation is: false [2019-11-23 22:09:17,152 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 152) no Hoare annotation was computed. [2019-11-23 22:09:17,153 INFO L440 ceAbstractionStarter]: At program point L141(lines 26 142) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (= ULTIMATE.start_main_~main__loop_entered~0 0) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999)) (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1))) [2019-11-23 22:09:17,153 INFO L444 ceAbstractionStarter]: For program point L26(lines 26 142) no Hoare annotation was computed. [2019-11-23 22:09:17,153 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 88) no Hoare annotation was computed. [2019-11-23 22:09:17,153 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2019-11-23 22:09:17,153 INFO L440 ceAbstractionStarter]: At program point L146(lines 24 147) the Hoare annotation is: false [2019-11-23 22:09:17,153 INFO L444 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-11-23 22:09:17,154 INFO L444 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2019-11-23 22:09:17,154 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 134) no Hoare annotation was computed. [2019-11-23 22:09:17,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,198 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:09:17 BoogieIcfgContainer [2019-11-23 22:09:17,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 22:09:17,227 INFO L168 Benchmark]: Toolchain (without parser) took 10971.33 ms. Allocated memory was 147.8 MB in the beginning and 240.6 MB in the end (delta: 92.8 MB). Free memory was 104.1 MB in the beginning and 160.0 MB in the end (delta: -55.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2019-11-23 22:09:17,229 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-23 22:09:17,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.37 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 103.9 MB in the beginning and 182.4 MB in the end (delta: -78.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-11-23 22:09:17,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.53 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 180.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-11-23 22:09:17,232 INFO L168 Benchmark]: Boogie Preprocessor took 22.70 ms. Allocated memory is still 203.9 MB. Free memory was 180.5 MB in the beginning and 179.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-11-23 22:09:17,234 INFO L168 Benchmark]: RCFGBuilder took 373.79 ms. Allocated memory is still 203.9 MB. Free memory was 179.3 MB in the beginning and 161.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-11-23 22:09:17,235 INFO L168 Benchmark]: TraceAbstraction took 10147.31 ms. Allocated memory was 203.9 MB in the beginning and 240.6 MB in the end (delta: 36.7 MB). Free memory was 160.9 MB in the beginning and 160.0 MB in the end (delta: 912.0 kB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. [2019-11-23 22:09:17,247 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 384.37 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 103.9 MB in the beginning and 182.4 MB in the end (delta: -78.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.53 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 180.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.70 ms. Allocated memory is still 203.9 MB. Free memory was 180.5 MB in the beginning and 179.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 373.79 ms. Allocated memory is still 203.9 MB. Free memory was 179.3 MB in the beginning and 161.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10147.31 ms. Allocated memory was 203.9 MB in the beginning and 240.6 MB in the end (delta: 36.7 MB). Free memory was 160.9 MB in the beginning and 160.0 MB in the end (delta: 912.0 kB). Peak memory consumption was 37.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 68]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 105]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && main____CPAchecker_TMP_0 == 1) && 1 == __VERIFIER_assert__cond) || (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && !(0 == __VERIFIER_assert__cond)) && 1 == __VERIFIER_assert__cond) && !(main____CPAchecker_TMP_0 == 0))) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant [2019-11-23 22:09:17,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((4294967296 * ((main__index2 * -1 + main__index1 + (main__index2 + 4294867297) / 4294967296 * 4294967296 + 4294967294) / 4294967296) + 1 <= main__index1 && 1 == __VERIFIER_assert__cond) && ((4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array] / 4294967296) <= 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array]) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296))) || main__loop_entered == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant [2019-11-23 22:09:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-23 22:09:17,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((4294967296 * ((main__index2 * -1 + main__index1 + (main__index2 + 4294867297) / 4294967296 * 4294967296 + 4294967294) / 4294967296) + 1 <= main__index1 && 1 == __VERIFIER_assert__cond) && ((4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array] / 4294967296) <= 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array]) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296))) || (((!(0 == __VERIFIER_assert__cond) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && 1 == __VERIFIER_assert__cond) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && 4294967296 * ((main__index2 * -1 + main__index1 + (main__index2 + 4294867297) / 4294967296 * 4294967296 + 4294967294) / 4294967296) + 1 <= main__index1) && 1 == __VERIFIER_assert__cond) && !(main____CPAchecker_TMP_0 == 0) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && main__loop_entered == 0) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && main____CPAchecker_TMP_0 == 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 3 error locations. Result: SAFE, OverallTime: 10.0s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, HoareTripleCheckerStatistics: 172 SDtfs, 180 SDslu, 193 SDs, 0 SdLazy, 151 SolverSat, 14 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 44 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 21 NumberOfFragments, 526 HoareAnnotationTreeSize, 9 FomulaSimplifications, 512 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 131 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 19844 SizeOfPredicates, 2 NumberOfNonLiveVariables, 84 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...