java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:57:50,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:57:50,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:57:50,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:57:50,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:57:50,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:57:50,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:57:50,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:57:50,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:57:50,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:57:50,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:57:50,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:57:50,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:57:50,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:57:50,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:57:50,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:57:50,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:57:50,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:57:50,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:57:50,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:57:50,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:57:50,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:57:50,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:57:50,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:57:50,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 22:57:50,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:57:50,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:57:50,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:57:50,087 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 [2019-10-13 22:57:50,119 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:57:50,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:57:50,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:57:50,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:57:50,121 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:57:50,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:57:50,121 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:57:50,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:57:50,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:57:50,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:57:50,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:57:50,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:57:50,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:57:50,123 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:57:50,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:57:50,123 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:57:50,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:57:50,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:57:50,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:57:50,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:57:50,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:57:50,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:57:50,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:57:50,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:57:50,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:57:50,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:57:50,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:57:50,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:57:50,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:57:50,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:57:50,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:57:50,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:57:50,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:57:50,447 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:57:50,447 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-10-13 22:57:50,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04674445f/ce492f3382e54d5dba1104701fdc76a8/FLAG89bd35168 [2019-10-13 22:57:50,986 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:57:50,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-10-13 22:57:50,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04674445f/ce492f3382e54d5dba1104701fdc76a8/FLAG89bd35168 [2019-10-13 22:57:51,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04674445f/ce492f3382e54d5dba1104701fdc76a8 [2019-10-13 22:57:51,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:57:51,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:57:51,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:57:51,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:57:51,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:57:51,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:57:51" (1/1) ... [2019-10-13 22:57:51,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d55636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51, skipping insertion in model container [2019-10-13 22:57:51,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:57:51" (1/1) ... [2019-10-13 22:57:51,385 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:57:51,415 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:57:51,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:57:51,594 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:57:51,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:57:51,718 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:57:51,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51 WrapperNode [2019-10-13 22:57:51,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:57:51,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:57:51,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:57:51,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:57:51,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51" (1/1) ... [2019-10-13 22:57:51,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51" (1/1) ... [2019-10-13 22:57:51,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51" (1/1) ... [2019-10-13 22:57:51,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51" (1/1) ... [2019-10-13 22:57:51,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51" (1/1) ... [2019-10-13 22:57:51,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51" (1/1) ... [2019-10-13 22:57:51,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51" (1/1) ... [2019-10-13 22:57:51,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:57:51,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:57:51,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:57:51,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:57:51,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51" (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 [2019-10-13 22:57:51,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:57:51,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:57:51,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:57:51,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:57:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:57:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 22:57:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:57:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:57:51,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:57:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:57:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:57:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:57:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:57:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:57:52,234 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:57:52,234 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:57:52,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:57:52 BoogieIcfgContainer [2019-10-13 22:57:52,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:57:52,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:57:52,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:57:52,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:57:52,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:57:51" (1/3) ... [2019-10-13 22:57:52,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3fd7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:57:52, skipping insertion in model container [2019-10-13 22:57:52,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:51" (2/3) ... [2019-10-13 22:57:52,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a3fd7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:57:52, skipping insertion in model container [2019-10-13 22:57:52,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:57:52" (3/3) ... [2019-10-13 22:57:52,244 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2019-10-13 22:57:52,252 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:57:52,260 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-13 22:57:52,271 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-13 22:57:52,293 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:57:52,293 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:57:52,293 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:57:52,293 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:57:52,293 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:57:52,293 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:57:52,294 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:57:52,294 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:57:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2019-10-13 22:57:52,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-13 22:57:52,313 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:52,314 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:52,315 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:52,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:52,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1493056857, now seen corresponding path program 1 times [2019-10-13 22:57:52,327 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:52,328 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685669596] [2019-10-13 22:57:52,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:52,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:52,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:52,527 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685669596] [2019-10-13 22:57:52,528 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:57:52,529 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:57:52,529 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627048149] [2019-10-13 22:57:52,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:57:52,536 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:52,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:57:52,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:57:52,560 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2019-10-13 22:57:52,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:52,617 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2019-10-13 22:57:52,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:57:52,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-13 22:57:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:52,630 INFO L225 Difference]: With dead ends: 50 [2019-10-13 22:57:52,630 INFO L226 Difference]: Without dead ends: 32 [2019-10-13 22:57:52,634 INFO L600 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 [2019-10-13 22:57:52,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-13 22:57:52,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2019-10-13 22:57:52,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-13 22:57:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2019-10-13 22:57:52,685 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 12 [2019-10-13 22:57:52,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:52,686 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2019-10-13 22:57:52,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:57:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2019-10-13 22:57:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-13 22:57:52,687 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:52,687 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:52,688 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:52,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:52,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1230815368, now seen corresponding path program 1 times [2019-10-13 22:57:52,689 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:52,689 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103856644] [2019-10-13 22:57:52,690 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:52,690 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:52,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:52,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103856644] [2019-10-13 22:57:52,808 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:57:52,808 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 22:57:52,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891226189] [2019-10-13 22:57:52,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:57:52,812 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:52,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:57:52,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 22:57:52,813 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand 4 states. [2019-10-13 22:57:52,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:52,873 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2019-10-13 22:57:52,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 22:57:52,875 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-10-13 22:57:52,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:52,878 INFO L225 Difference]: With dead ends: 50 [2019-10-13 22:57:52,879 INFO L226 Difference]: Without dead ends: 48 [2019-10-13 22:57:52,880 INFO L600 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 [2019-10-13 22:57:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-10-13 22:57:52,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 32. [2019-10-13 22:57:52,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-13 22:57:52,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2019-10-13 22:57:52,895 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 13 [2019-10-13 22:57:52,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:52,896 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2019-10-13 22:57:52,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 22:57:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2019-10-13 22:57:52,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-13 22:57:52,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:52,897 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:52,899 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:52,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:52,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1294538317, now seen corresponding path program 1 times [2019-10-13 22:57:52,900 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:52,901 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502628577] [2019-10-13 22:57:52,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:52,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:52,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:52,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502628577] [2019-10-13 22:57:52,976 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:57:52,976 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:57:52,976 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209202066] [2019-10-13 22:57:52,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:57:52,977 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:52,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:57:52,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:57:52,979 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 3 states. [2019-10-13 22:57:53,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:53,031 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2019-10-13 22:57:53,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:57:53,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-10-13 22:57:53,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:53,033 INFO L225 Difference]: With dead ends: 59 [2019-10-13 22:57:53,034 INFO L226 Difference]: Without dead ends: 39 [2019-10-13 22:57:53,034 INFO L600 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 [2019-10-13 22:57:53,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-13 22:57:53,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2019-10-13 22:57:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-13 22:57:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2019-10-13 22:57:53,041 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 13 [2019-10-13 22:57:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:53,042 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2019-10-13 22:57:53,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:57:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2019-10-13 22:57:53,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-13 22:57:53,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:53,043 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:53,044 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:53,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:53,044 INFO L82 PathProgramCache]: Analyzing trace with hash -442233424, now seen corresponding path program 1 times [2019-10-13 22:57:53,044 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:53,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656843814] [2019-10-13 22:57:53,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:53,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:53,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:53,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656843814] [2019-10-13 22:57:53,092 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:57:53,093 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:57:53,093 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395150987] [2019-10-13 22:57:53,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:57:53,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:53,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:57:53,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:57:53,095 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 3 states. [2019-10-13 22:57:53,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:53,139 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2019-10-13 22:57:53,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:57:53,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-10-13 22:57:53,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:53,142 INFO L225 Difference]: With dead ends: 53 [2019-10-13 22:57:53,142 INFO L226 Difference]: Without dead ends: 33 [2019-10-13 22:57:53,143 INFO L600 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 [2019-10-13 22:57:53,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-13 22:57:53,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2019-10-13 22:57:53,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-13 22:57:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2019-10-13 22:57:53,148 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2019-10-13 22:57:53,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:53,149 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2019-10-13 22:57:53,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:57:53,149 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2019-10-13 22:57:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-13 22:57:53,150 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:53,150 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:53,150 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:53,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:53,151 INFO L82 PathProgramCache]: Analyzing trace with hash -503898809, now seen corresponding path program 1 times [2019-10-13 22:57:53,151 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:53,151 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255157769] [2019-10-13 22:57:53,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:53,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:53,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:54,126 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 86 [2019-10-13 22:57:54,577 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 89 [2019-10-13 22:57:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:54,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255157769] [2019-10-13 22:57:54,602 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:57:54,602 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 22:57:54,603 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401984856] [2019-10-13 22:57:54,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 22:57:54,604 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:54,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 22:57:54,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-13 22:57:54,605 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 9 states. [2019-10-13 22:57:55,063 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2019-10-13 22:57:55,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:55,118 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2019-10-13 22:57:55,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 22:57:55,119 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2019-10-13 22:57:55,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:55,120 INFO L225 Difference]: With dead ends: 43 [2019-10-13 22:57:55,120 INFO L226 Difference]: Without dead ends: 28 [2019-10-13 22:57:55,121 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2019-10-13 22:57:55,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-13 22:57:55,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-10-13 22:57:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-13 22:57:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2019-10-13 22:57:55,126 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 19 [2019-10-13 22:57:55,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:55,126 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2019-10-13 22:57:55,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 22:57:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2019-10-13 22:57:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-13 22:57:55,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:55,129 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:55,130 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:55,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:55,130 INFO L82 PathProgramCache]: Analyzing trace with hash 907184126, now seen corresponding path program 1 times [2019-10-13 22:57:55,130 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:55,131 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586367324] [2019-10-13 22:57:55,131 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:55,131 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:55,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:55,190 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586367324] [2019-10-13 22:57:55,191 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:57:55,191 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 22:57:55,191 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32119858] [2019-10-13 22:57:55,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 22:57:55,192 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:55,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 22:57:55,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:57:55,192 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 6 states. [2019-10-13 22:57:55,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:55,268 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2019-10-13 22:57:55,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 22:57:55,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-10-13 22:57:55,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:55,269 INFO L225 Difference]: With dead ends: 41 [2019-10-13 22:57:55,269 INFO L226 Difference]: Without dead ends: 39 [2019-10-13 22:57:55,270 INFO L600 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 [2019-10-13 22:57:55,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-13 22:57:55,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 26. [2019-10-13 22:57:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-13 22:57:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2019-10-13 22:57:55,282 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 20 [2019-10-13 22:57:55,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:55,285 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2019-10-13 22:57:55,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 22:57:55,285 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2019-10-13 22:57:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-13 22:57:55,286 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:55,286 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:55,286 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:55,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:55,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1084636737, now seen corresponding path program 1 times [2019-10-13 22:57:55,287 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:55,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371632497] [2019-10-13 22:57:55,291 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:55,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:55,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:55,525 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371632497] [2019-10-13 22:57:55,526 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439329001] [2019-10-13 22:57:55,526 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 [2019-10-13 22:57:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:55,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-13 22:57:55,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:57:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:55,708 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:57:56,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:56,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1013430668] [2019-10-13 22:57:56,936 INFO L162 IcfgInterpreter]: Started Sifa with 20 locations of interest [2019-10-13 22:57:56,937 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:57:56,943 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:57:56,950 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:57:56,951 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:57:57,093 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-13 22:57:58,047 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 19 for LOIs [2019-10-13 22:57:58,057 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 22:57:58,057 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 22:57:58,058 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 249#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__return_136~0)| ~__return_136~0)) [2019-10-13 22:57:58,058 INFO L193 IcfgInterpreter]: Reachable states at location L151 satisfy 100#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,058 INFO L193 IcfgInterpreter]: Reachable states at location L141 satisfy 63#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,059 INFO L193 IcfgInterpreter]: Reachable states at location L45 satisfy 82#(and (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,060 INFO L193 IcfgInterpreter]: Reachable states at location L24 satisfy 53#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (< (mod main_~main__index1~0 4294967296) 100000) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,060 INFO L193 IcfgInterpreter]: Reachable states at location L35 satisfy 68#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= 1 main_~__tmp_1~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_1~0 main_~main____CPAchecker_TMP_0~0) (<= main_~__tmp_1~0 1) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,060 INFO L193 IcfgInterpreter]: Reachable states at location L26 satisfy 58#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,061 INFO L193 IcfgInterpreter]: Reachable states at location L16 satisfy 38#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,061 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_main~0) (= ~__tmp_155_0~0 0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 ~__tmp_155_0~0) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,061 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |old(~__tmp_155_0~0)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 ~__tmp_155_0~0) (= |#valid| |old(#valid)|) (<= 0 |old(~__tmp_155_0~0)|) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= |old(#length)| |#length|) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,061 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 254#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_main~0) (= ~__tmp_155_0~0 0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~__tmp_155_0~0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,062 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 22:57:58,062 INFO L193 IcfgInterpreter]: Reachable states at location L103 satisfy 235#(and (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_3~0 (ite (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* (ite (<= (mod main_~main__index1~0 4294967296) 2147483647) (mod main_~main__index1~0 4294967296) (+ (mod main_~main__index1~0 4294967296) (- 4294967296))) 4) |main_~#main__array~0.offset|)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* (ite (<= (mod main_~main__index2~0 4294967296) 2147483647) (mod main_~main__index2~0 4294967296) (+ (mod main_~main__index2~0 4294967296) (- 4294967296))) 4) |main_~#main__array~0.offset|)) 4294967296)) 1 0)) (<= main_~__tmp_3~0 1) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (<= main_~__VERIFIER_assert__cond~2 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,063 INFO L193 IcfgInterpreter]: Reachable states at location L114 satisfy 230#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,063 INFO L193 IcfgInterpreter]: Reachable states at location L19 satisfy 43#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,063 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 245#(and (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_3~0 (ite (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* (ite (<= (mod main_~main__index1~0 4294967296) 2147483647) (mod main_~main__index1~0 4294967296) (+ (mod main_~main__index1~0 4294967296) (- 4294967296))) 4) |main_~#main__array~0.offset|)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* (ite (<= (mod main_~main__index2~0 4294967296) 2147483647) (mod main_~main__index2~0 4294967296) (+ (mod main_~main__index2~0 4294967296) (- 4294967296))) 4) |main_~#main__array~0.offset|)) 4294967296)) 1 0)) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (<= main_~__tmp_3~0 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,064 INFO L193 IcfgInterpreter]: Reachable states at location L105 satisfy 240#(and (< (mod main_~main__index2~0 4294967296) (mod main_~main__index1~0 4294967296)) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_3~0 (ite (= (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* (ite (<= (mod main_~main__index1~0 4294967296) 2147483647) (mod main_~main__index1~0 4294967296) (+ (mod main_~main__index1~0 4294967296) (- 4294967296))) 4) |main_~#main__array~0.offset|)) 4294967296) (mod (select (select |#memory_int| |main_~#main__array~0.base|) (+ (* (ite (<= (mod main_~main__index2~0 4294967296) 2147483647) (mod main_~main__index2~0 4294967296) (+ (mod main_~main__index2~0 4294967296) (- 4294967296))) 4) |main_~#main__array~0.offset|)) 4294967296)) 1 0)) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (<= main_~__tmp_3~0 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,064 INFO L193 IcfgInterpreter]: Reachable states at location L52 satisfy 91#(and (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 |old(~__tmp_155_0~0)|) (= |old(~__tmp_155_0~0)| 0) (<= ~__tmp_155_0~0 1) (= |#NULL.base| 0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (= main_~main__loop_entered~0 1) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (= main_~__tmp_1~0 1) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,065 INFO L193 IcfgInterpreter]: Reachable states at location L74 satisfy 73#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= ~__return_136~0 0) (<= 1 ~__tmp_155_0~0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= 1 main_~__tmp_1~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (not (= main_~__VERIFIER_assert__cond~0 0)) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (<= main_~__VERIFIER_assert__cond~0 1) (= ~__tmp_155_0~0 main_~main____CPAchecker_TMP_0~0) (<= 0 |old(~__tmp_155_0~0)|) (<= ~__tmp_155_0~0 1) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (= main_~__tmp_1~0 main_~main____CPAchecker_TMP_0~0) (<= main_~__tmp_1~0 1) (< (mod main_~main__index1~0 4294967296) 100000) (< (mod main_~main__index1~0 4294967296) (mod main_~main__index2~0 4294967296)) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:57:58,065 INFO L193 IcfgInterpreter]: Reachable states at location L21 satisfy 48#(and (= 0 |old(~__tmp_155_0~0)|) (= 0 |#NULL.base|) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (<= main_~main__loop_entered~0 0) (<= ~__return_136~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (<= ~__return_main~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (<= 0 |#NULL.offset|) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (< |main_~#main__array~0.base| |#StackHeapBarrier|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= 0 main_~main__loop_entered~0) (<= ~__tmp_155_0~0 0) (= main_~main__loop_entered~0 0) (<= 0 ~__return_136~0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (= |main_~#main__array~0.offset| 0) (< (mod main_~main__index1~0 4294967296) 100000) (= |#NULL.offset| 0) (= ~__return_main~0 0) (<= |old(~__tmp_155_0~0)| 0) (= ~__return_136~0 0)) [2019-10-13 22:58:00,330 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 61 [2019-10-13 22:58:00,814 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2019-10-13 22:58:00,988 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2019-10-13 22:58:04,164 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2019-10-13 22:58:06,479 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2019-10-13 22:58:06,703 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2019-10-13 22:58:08,931 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 54 [2019-10-13 22:58:09,376 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2019-10-13 22:58:09,378 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 22:58:09,379 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4, 15] total 24 [2019-10-13 22:58:09,379 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036765254] [2019-10-13 22:58:09,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-13 22:58:09,380 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:58:09,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-13 22:58:09,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2019-10-13 22:58:09,381 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 24 states. [2019-10-13 22:58:18,314 WARN L191 SmtUtils]: Spent 6.32 s on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-10-13 22:58:19,298 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-10-13 22:58:24,272 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2019-10-13 22:58:26,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:58:26,709 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2019-10-13 22:58:26,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-13 22:58:26,710 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 21 [2019-10-13 22:58:26,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:58:26,710 INFO L225 Difference]: With dead ends: 38 [2019-10-13 22:58:26,711 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 22:58:26,711 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 20.8s TimeCoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2019-10-13 22:58:26,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 22:58:26,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 22:58:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 22:58:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 22:58:26,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-10-13 22:58:26,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:58:26,713 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 22:58:26,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-13 22:58:26,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 22:58:26,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 22:58:26,914 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:58:26,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 22:58:27,195 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-10-13 22:58:35,056 WARN L191 SmtUtils]: Spent 7.85 s on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-10-13 22:58:35,422 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2019-10-13 22:58:35,547 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-10-13 22:58:35,795 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-10-13 22:58:35,798 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(~__return_136~0)| ~__return_136~0) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 22:58:35,798 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:35,799 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:35,799 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= ~__tmp_155_0~0 0) (= |#NULL.offset| 0) (= ~__return_main~0 0) (= ~__return_136~0 0)) [2019-10-13 22:58:35,799 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 22:58:35,799 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 22:58:35,799 INFO L446 ceAbstractionStarter]: At program point L126(lines 93 127) the Hoare annotation is: true [2019-10-13 22:58:35,799 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 9 163) no Hoare annotation was computed. [2019-10-13 22:58:35,800 INFO L439 ceAbstractionStarter]: At program point L151(lines 21 152) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (and (<= main_~main__index1~0 (+ (* 4294967296 (div (+ (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) (* main_~main__index2~0 (- 1)) 99998) 4294967296)) main_~main__index2~0 1)) (= main_~__VERIFIER_assert__cond~0 1) (let ((.cse1 (div main_~main__index1~0 4294967296)) (.cse0 (div main_~main__index2~0 4294967296))) (or (<= (+ main_~main__index1~0 (* 4294967296 .cse0)) (+ (* 4294967296 .cse1) main_~main__index2~0)) (let ((.cse6 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse3 (select .cse6 (+ (* main_~main__index2~0 4) |main_~#main__array~0.offset| (* .cse0 (- 17179869184))))) (.cse5 (select .cse6 (+ (* .cse1 (- 17179869184)) (* main_~main__index1~0 4) |main_~#main__array~0.offset|)))) (let ((.cse4 (* 4294967296 (div .cse5 4294967296))) (.cse2 (+ .cse5 (* 4294967296 (div .cse3 4294967296))))) (and (< .cse2 (+ .cse3 .cse4 1)) (<= (+ .cse3 .cse4) .cse2)))))))) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (= main_~main__loop_entered~0 0) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-13 22:58:35,800 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 128) no Hoare annotation was computed. [2019-10-13 22:58:35,800 INFO L443 ceAbstractionStarter]: For program point L19(lines 19 157) no Hoare annotation was computed. [2019-10-13 22:58:35,800 INFO L439 ceAbstractionStarter]: At program point L114(lines 94 123) the Hoare annotation is: (let ((.cse8 (div main_~main__index1~0 4294967296)) (.cse9 (div main_~main__index2~0 4294967296))) (let ((.cse0 (= main_~__VERIFIER_assert__cond~0 1)) (.cse1 (* 4294967296 .cse9)) (.cse2 (+ (* 4294967296 .cse8) main_~main__index2~0))) (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (and (<= main_~main__index1~0 (+ (* 4294967296 (div (+ (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) (* main_~main__index2~0 (- 1)) 99998) 4294967296)) main_~main__index2~0 1)) .cse0 (or (<= (+ main_~main__index1~0 .cse1) .cse2) (let ((.cse7 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse4 (select .cse7 (+ (* main_~main__index2~0 4) |main_~#main__array~0.offset| (* .cse9 (- 17179869184))))) (.cse6 (select .cse7 (+ (* .cse8 (- 17179869184)) (* main_~main__index1~0 4) |main_~#main__array~0.offset|)))) (let ((.cse5 (* 4294967296 (div .cse6 4294967296))) (.cse3 (+ .cse6 (* 4294967296 (div .cse4 4294967296))))) (and (< .cse3 (+ .cse4 .cse5 1)) (<= (+ .cse4 .cse5) .cse3))))))) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (and (<= main_~main__index2~0 (+ .cse1 99999)) .cse0 (not (= main_~__VERIFIER_assert__cond~2 0)) (<= (+ main_~main__index1~0 .cse1 1) .cse2)) (not (<= |old(~__tmp_155_0~0)| 0))))) [2019-10-13 22:58:35,801 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2019-10-13 22:58:35,801 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 83) no Hoare annotation was computed. [2019-10-13 22:58:35,801 INFO L443 ceAbstractionStarter]: For program point L24(lines 24 147) no Hoare annotation was computed. [2019-10-13 22:58:35,801 INFO L439 ceAbstractionStarter]: At program point L82(lines 57 83) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (and (<= main_~main__index1~0 (+ (* 4294967296 (div (+ (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) (* main_~main__index2~0 (- 1)) 99998) 4294967296)) main_~main__index2~0 1)) (= main_~__VERIFIER_assert__cond~0 1) (not (= 0 main_~main____CPAchecker_TMP_0~1)) (<= (+ main_~main__index1~0 (* 4294967296 (div main_~main__index2~0 4294967296)) 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-13 22:58:35,801 INFO L443 ceAbstractionStarter]: For program point L16(lines 16 162) no Hoare annotation was computed. [2019-10-13 22:58:35,801 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 133) no Hoare annotation was computed. [2019-10-13 22:58:35,802 INFO L439 ceAbstractionStarter]: At program point L74(lines 41 134) the Hoare annotation is: (let ((.cse0 (let ((.cse4 (* 4294967296 (div main_~main__index2~0 4294967296)))) (let ((.cse1 (<= main_~main__index2~0 (+ .cse4 99999))) (.cse2 (= main_~__VERIFIER_assert__cond~0 1)) (.cse3 (<= (+ main_~main__index1~0 .cse4 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0)))) (or (and (= 1 main_~main____CPAchecker_TMP_0~0) .cse1 .cse2 .cse3) (and .cse1 .cse2 (not (= 0 main_~main____CPAchecker_TMP_0~1)) (not (= main_~__VERIFIER_assert__cond~1 0)) .cse3)))))) (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (and (<= main_~main__index1~0 (+ (* 4294967296 (div (+ (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) (* main_~main__index2~0 (- 1)) 99998) 4294967296)) main_~main__index2~0 1)) .cse0) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0)) (and (not (= 0 |main_~#main__array~0.base|)) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (= main_~main__loop_entered~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= |main_~#main__array~0.offset| 0) (= ~__tmp_155_0~0 main_~main____CPAchecker_TMP_0~0) (= main_~__tmp_1~0 main_~main____CPAchecker_TMP_0~0) (< |main_~#main__array~0.base| |#StackHeapBarrier|) .cse0))) [2019-10-13 22:58:35,802 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 115) no Hoare annotation was computed. [2019-10-13 22:58:35,802 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-13 22:58:35,802 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 75) no Hoare annotation was computed. [2019-10-13 22:58:35,802 INFO L439 ceAbstractionStarter]: At program point L87(lines 55 88) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-13 22:58:35,803 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 152) no Hoare annotation was computed. [2019-10-13 22:58:35,803 INFO L439 ceAbstractionStarter]: At program point L141(lines 26 142) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (and (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (not (= 0 |main_~#main__array~0.base|)) (= (store |old(#length)| |main_~#main__array~0.base| 400000) |#length|) (= |#valid| (store |old(#valid)| |main_~#main__array~0.base| 1)) (= main_~main__loop_entered~0 0) (< (mod main_~main__index2~0 4294967296) 100000) (= (select |old(#valid)| |main_~#main__array~0.base|) 0) (= 1 main_~main____CPAchecker_TMP_0~0) (= |main_~#main__array~0.offset| 0) (<= (+ main_~main__index1~0 (* 4294967296 (div main_~main__index2~0 4294967296)) 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0)) (< |main_~#main__array~0.base| |#StackHeapBarrier|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-13 22:58:35,803 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 9 163) no Hoare annotation was computed. [2019-10-13 22:58:35,803 INFO L443 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 68) no Hoare annotation was computed. [2019-10-13 22:58:35,803 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 9 163) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (and (<= ~__tmp_155_0~0 0) (<= 0 ~__tmp_155_0~0) (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-13 22:58:35,804 INFO L443 ceAbstractionStarter]: For program point L26(lines 26 142) no Hoare annotation was computed. [2019-10-13 22:58:35,804 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 88) no Hoare annotation was computed. [2019-10-13 22:58:35,804 INFO L439 ceAbstractionStarter]: At program point L146(lines 24 147) the Hoare annotation is: (or (not (= ~__return_136~0 0)) (not (= 0 ~__return_main~0)) (not (= |#NULL.offset| 0)) (not (<= 0 |old(~__tmp_155_0~0)|)) (not (<= 0 |#NULL.base|)) (not (= 0 (select |old(#valid)| 0))) (not (<= |#NULL.base| 0)) (not (<= |old(~__tmp_155_0~0)| 0))) [2019-10-13 22:58:35,804 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-13 22:58:35,804 INFO L443 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2019-10-13 22:58:35,804 INFO L443 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2019-10-13 22:58:35,805 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 134) no Hoare annotation was computed. [2019-10-13 22:58:35,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,826 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,827 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,828 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,829 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,835 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,836 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,837 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-13 22:58:35,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-13 22:58:35,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,853 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-13 22:58:35,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-13 22:58:35,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:58:35 BoogieIcfgContainer [2019-10-13 22:58:35,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 22:58:35,866 INFO L168 Benchmark]: Toolchain (without parser) took 44497.99 ms. Allocated memory was 139.5 MB in the beginning and 295.7 MB in the end (delta: 156.2 MB). Free memory was 103.7 MB in the beginning and 114.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 145.3 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:35,866 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 22:58:35,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.14 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 103.7 MB in the beginning and 180.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:35,868 INFO L168 Benchmark]: Boogie Preprocessor took 36.49 ms. Allocated memory is still 201.3 MB. Free memory was 180.2 MB in the beginning and 177.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:35,869 INFO L168 Benchmark]: RCFGBuilder took 478.65 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 159.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:35,870 INFO L168 Benchmark]: TraceAbstraction took 43627.33 ms. Allocated memory was 201.3 MB in the beginning and 295.7 MB in the end (delta: 94.4 MB). Free memory was 159.0 MB in the beginning and 114.7 MB in the end (delta: 44.3 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:35,873 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.14 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 103.7 MB in the beginning and 180.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.49 ms. Allocated memory is still 201.3 MB. Free memory was 180.2 MB in the beginning and 177.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 478.65 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 159.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43627.33 ms. Allocated memory was 201.3 MB in the beginning and 295.7 MB in the end (delta: 94.4 MB). Free memory was 159.0 MB in the beginning and 114.7 MB in the end (delta: 44.3 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - 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 #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - 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 #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - 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 #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - 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 #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 68]: 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: 21]: Loop Invariant [2019-10-13 22:58:35,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || ((main__index1 <= 4294967296 * (((main__index1 + -1) / 4294967296 * 4294967296 + main__index2 * -1 + 99998) / 4294967296) + main__index2 + 1 && __VERIFIER_assert__cond == 1) && (main__index1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2 || (unknown-#memory_int-unknown[main__array][main__index1 / 4294967296 * -17179869184 + main__index1 * 4 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 / 4294967296 * -17179869184 + main__index1 * 4 + main__array] / 4294967296) + 1 && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 / 4294967296 * -17179869184 + main__index1 * 4 + main__array] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 / 4294967296 * -17179869184 + main__index1 * 4 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296))))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || main__loop_entered == 0) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 55]: Loop Invariant [2019-10-13 22:58:35,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 24]: Loop Invariant [2019-10-13 22:58:35,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 94]: Loop Invariant [2019-10-13 22:58:35,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-13 22:58:35,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || ((main__index1 <= 4294967296 * (((main__index1 + -1) / 4294967296 * 4294967296 + main__index2 * -1 + 99998) / 4294967296) + main__index2 + 1 && __VERIFIER_assert__cond == 1) && (main__index1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2 || (unknown-#memory_int-unknown[main__array][main__index1 / 4294967296 * -17179869184 + main__index1 * 4 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 / 4294967296 * -17179869184 + main__index1 * 4 + main__array] / 4294967296) + 1 && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 / 4294967296 * -17179869184 + main__index1 * 4 + main__array] / 4294967296) <= unknown-#memory_int-unknown[main__array][main__index1 / 4294967296 * -17179869184 + main__index1 * 4 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296))))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2)) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 57]: Loop Invariant [2019-10-13 22:58:35,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || (((main__index1 <= 4294967296 * (((main__index1 + -1) / 4294967296 * 4294967296 + main__index2 * -1 + 99998) / 4294967296) + main__index2 + 1 && __VERIFIER_assert__cond == 1) && !(0 == main____CPAchecker_TMP_0)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2)) || !(#NULL <= 0)) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 26]: Loop Invariant [2019-10-13 22:58:35,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-13 22:58:35,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-13 22:58:35,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || ((((((((((__tmp_155_0 == \old(__tmp_155_0) && !(0 == main__array)) && \old(unknown-#length-unknown)[main__array := 400000] == unknown-#length-unknown) && \valid == \old(\valid)[main__array := 1]) && main__loop_entered == 0) && main__index2 % 4294967296 < 100000) && \old(\valid)[main__array] == 0) && 1 == main____CPAchecker_TMP_0) && main__array == 0) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2) && main__array < unknown-#StackHeapBarrier-unknown)) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || !(\old(__tmp_155_0) <= 0) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant [2019-10-13 22:58:35,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-10-13 22:58:35,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-10-13 22:58:35,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-13 22:58:35,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((((((!(__return_136 == 0) || !(0 == __return_main)) || !(#NULL == 0)) || !(0 <= \old(__tmp_155_0))) || (main__index1 <= 4294967296 * (((main__index1 + -1) / 4294967296 * 4294967296 + main__index2 * -1 + 99998) / 4294967296) + main__index2 + 1 && ((((1 == main____CPAchecker_TMP_0 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2) || ((((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && __VERIFIER_assert__cond == 1) && !(0 == main____CPAchecker_TMP_0)) && !(__VERIFIER_assert__cond == 0)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2)))) || !(0 <= #NULL)) || !(0 == \old(\valid)[0])) || !(#NULL <= 0)) || !(\old(__tmp_155_0) <= 0)) || ((((((((((!(0 == main__array) && \old(unknown-#length-unknown)[main__array := 400000] == unknown-#length-unknown) && \valid == \old(\valid)[main__array := 1]) && main__loop_entered == 0) && __tmp_1 == __VERIFIER_assert__cond) && \old(\valid)[main__array] == 0) && main__array == 0) && __tmp_155_0 == main____CPAchecker_TMP_0) && __tmp_1 == main____CPAchecker_TMP_0) && main__array < unknown-#StackHeapBarrier-unknown) && ((((1 == main____CPAchecker_TMP_0 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2) || ((((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && __VERIFIER_assert__cond == 1) && !(0 == main____CPAchecker_TMP_0)) && !(__VERIFIER_assert__cond == 0)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 3 error locations. Result: SAFE, OverallTime: 43.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, HoareTripleCheckerStatistics: 190 SDtfs, 231 SDslu, 265 SDs, 0 SdLazy, 301 SolverSat, 26 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 59 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 22.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred 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, 12 LocationsWithAnnotation, 12 PreInvPairs, 26 NumberOfFragments, 1033 HoareAnnotationTreeSize, 12 FomulaSimplifications, 1002 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 712 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 56279 SizeOfPredicates, 3 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 3/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 1129, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 30, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 83, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 6, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 27, TOOLS_QUANTIFIERELIM_TIME[ms]: 76, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 33, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 32, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 901, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 45, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 453, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 453, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 49, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 48, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 171, DAG_COMPRESSION_RETAINED_NODES: 55, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...